Windows 8.1 Preview was announced and released at Microsoft’s BUILD event this week and I’ve been testing it on an Acer Iconia W5 Clovertrail based tablet similar to the W3, 8-inch devices that were given out to around 3000 people at the event. I’ve also upgraded an Ivy Bridge Ultrabook and an AMD Temash subnotebook, all with touch but it’s the tablets that get the most out of the changes in the upgrade. Keyboard changes, windowing changes, 3G connected standby support, new Windows 8 applications and a range of application upgrades. If you’re on a non-touch laptop and spend most of your time in Windows 8 desktop, don’t bother with the upgrade yet as there are bugs but if you’ve got an Acer Iconia W5 or one of the other supported Windows 8 tablets or hybrids and you’re not using it for production purposes I would definitely recommend upgrading.

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Microsoft have announced a focus on small Windows tablets, a Windows 8.1 preview download and have detailed changes for small screens. Changes include a new keyboard with gesture features, new Windowing for the Metro UI, layout changes (see right) and more. Here’s a few of the key features that have just been announced.

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Just 10 minutes into the keynote at the 2013 Microsoft BUILD event Steve Ballmer has announced a focus on “small tablets running Windows inch and, for attendees, a free Acer Iconia W3. This is significant. This is the Newultra mobile PC being pushed forward in a very powerful way. For UMPCPortal fans and followers, it should make you happy.

We’re following the BUILD live stream and suggest you catch up with the sessions here. The Windows 8.1 download can also be found here (link not live at time of writing.) Note that some Intel Atom tablets/hybrids are not supported. The Acer W5 appears to be supported but we haven’t completed all stages of the upgrade yet. Update: Confirmed working and stable after a 2hr upgrade process.

Latest: Ballmer announces 100,000 apps in the Windows Store

More Acer Iconia W3 news here.

Update: Lenovo have now announced this as the Miix2

The wheels are starting to turn again for the Windows-based handhelds that were once called UMPCs. First the Acer Iconia W3 and now something from Lenovo. The Lenovo Miix 8 was shown at a Microsoft press event at Computex although there’s little information available.

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Of the laptop-like dockable Clovertrail tablets there are two that stand out. The ASUS VivoTab TF800 has a great keyboard, a stylish build and that all-important battery in the keyboard unit. The HP Envy is also up there and last week at CeBIT I had some quiet time alone with it thanks to the Intel booth. I really like it. I like it even more today as I’ve just found a price of $599 for the 64GB unit with keyboard.

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I must be nuts. I’ve just paid 900 Euro for an Atom-based notebook. Or am I?

A few days ago I bought the Samsung ATIV 500T after a disappointing time with the Lenovo Lynx keyboard (of all things Lenovo!) The unboxing went well until I spotted a connectivity problem between the dock and the tablet. I really wasn’t very happy. Today I swapped it out for a new one. I also spotted the 3G version in stock so I end up paying 899 Euro. It’s more expensive than at other retailers too although, for you US people, it’s a business sale which is 19% tax-free here in Germany.

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The Acer Iconia Tab has been here for over a month now. Bought as a Clovertrail test device it has turned into a surprisingly usable and flexible ultra-mobile PC. The Acer W510 might be using the same Atom core as netbooks did but the package here is far more than that both in terms of computing and usage flexibility. Read on for the full review of the Acer Iconia W510 and a summary of where this ground-breaking style of smart and ultra mobile PC fits into the market.

I’ve never been a big fan of tablet PCs. A ultra mobile PC with 5-7 inch screen, yes but the classic tablet pc with digitizer and 11.6 or greater screen size was too awkward for me, Too heavy to hold in one hand, with poor battery life and screen input limited to a pen with a focus on handwriting, was far from my idea of fun or productivity. The Lenovo Ideatab Lynx, an 11.6 inch tablet PC is a completely different story however and is easily the best 11.6 inch tablet PC I’ve used, and that includes the original Samsung XE700, a well-crafted tablet PC with Core CPU and a digitizer. The Lenovo Ideatab runs Windows on an Intel Atom platform.

Now I’m not saying that the Lenovo Ideatab Lynx is the best 11.6 inch tablet and I know there’s a huge difference between this and a pro-level Core-based tablet with Digitizer and handwriting input. I must also say that I haven’t fully tested any of the new Core-based Win 8 tablets yet but the Lynx is working well for me and I feel it hits a very nice sweet-spot in the market. Weight, size, price, features, touch, OS. The Lynx is well-balanced and while it’s not going to be a winning consumer tablet, I bet it finds a lot of friends. The Lynx I have here is the 64GB/2GB model which is retailing in my locale for 55o Euro. I only picked it up yesterday but I’ve given it some serious testing over the last 24hrs.

The 11.6 inch tablet design is very much a productivity-first design, especially when you can add a comfortable keyboard to the mix. At 635gm (1.4 pounds) it’s light enough to serve as a consumption device too though. In portrait mode it really feels like you’ve got the future of the newspaper in your hand. Seriously, if 11.6″ tablets hit 500gm I bet we’ll have another hot segment on our hands. This is the coffee-table tablet!

Is Atom good enough for the job of productivity? It depends on your definition of productivity but it’s fair to say that it’s not going to be good enough for most people as a daily drive for office-type activites. For me, however, there’s an exciting mix of capability here. As a blogger that writes, and writes, and edits sub-2MB images with the occasional YouTube video edit in 720p, this could really work for me, especially given the battery life and always-on capability. I’d add HSPDA for my ideal mobile blogging setup and a full-size SD card slot would be a dream but this could work out better than a 10 inch Windows 8 device. I can think of a lot more customers that would get good value out of the Lynx too, not least the long-distance traveler; Having Windows behind the entertaining Metro/Modern/Win 8 Store is perfect for that scenario.

Here’s how I’m using it right now (see image) because I haven’t got the keyboard dock yet. That comes next week.

Here’s a rundown of the device itself.

Screen. Bright, not incredibly punchy in terms of color but is IPS which is a must on a tablet. 1366×768 is OK for me but I know that many would expect more. For reading, there would be an advantage with 1600×900 of course.

Build. Strong. No flex. No creaks. Plastic back feels a bit cheap. One thing I must point out is that the edges are not smoothly chamfered which could have given the use a more comfortable experience. If the Lynx was any heavier it would have been a serious negative point.

Ports/features: No rear cam. Micro ports could be a pain (usb, hdmi, sd on the tablet.) Speakers are loud, not brilliant quality. Dual-array mic. There’s a micro-USB to USB converter included and you can plug in a micro-USB charger which seems strange considering it’s a host port. Check out the unboxing video, below, for a closer look at the ports.

Software: Apart from a Norton package (removed immediately) and a Sugar Sync service (Acer cloud sync) it’s refreshingly free of additional software.

As for performance, you shouldn’t expect much difference between Clovertrail tablets due to the high level of integration inside – due to Connected Standby requirements. (Always on.) The Lenovo Ideatab Lynx does, however, beat the Acer W510 on PCMark7 purely because the eMMC write speeds are a little faster. On every other benchmark the two devices were almost exactly the same. The WiFi appears very slightly weaker on the Lynx which is a disappointment. It has the same Broadcom WiFi chipset as the Acer but I was hoping for better antenna design. In general the WiFi is relatively weak.

All Clovertrail Windows 8 tablets are always-on capable but this one has a nice little trick because the micro USB port on the underside can be used to charge the device. This also serves as the docking port so clearly the dock will charge the tablet whenever it is connected a battery-to-battery charging setup that wastes quite a bit of energy. I’ve just connected in a pocket USB charger which can deliver 1000mA and the device is just managing to charge at a very very slow rate. I doubt it’s pulling the full 1A available. This is the first time I’ve ever charged a PC from a smartphone power pack. You can also see I’m using a Bluetooth keyboard. Total cost was about 55 Euro for the charger and keyboard. The Lenovo Lynx keyboard costs 155 Euro! One other advantage to this charging setup is the extremely small and light charger which delivers 5.2V up to 2000ma, similar to some tablet chargers. I love this idea of Micro-USB charging.

I’m not sure you’d need this charger during a full day out though because battery life is as good as I’ve seen on the Acer W510. I’m sitting here typing with WiFi on, Bluetooth on and screen-on in about 2.5W of usage enough for about 10 hours typing from the tablet battery alone. Based on what I’ve measured on Clovertrail before, you’ll struggle to get less than 6hrs battery life from the tablet. Video playback with WiFi off should run for over 10hrs if I have my maths right.

A quick word on Clovertrail performance now. It’s Atom, as we know it. It’s not a powerful compute platform but it returns a full and accurate web experience faster than most Android tablets. The graphics performance has been pumped up a little over previous generatios too; I was surprised how smooth a game of Reckless Racing was from the Windows 8 store. Audio playback and video playback hardware is included along with accelerated video encode. You’ll get about 2X the render performance that you saw on Netbooks which brings short 720p clips into scope at around 1X real-time rendering.

The SSD is not a SATA drive on any of the Clovertrail tablets as Clovertrail only supports eMMC which is usually soldered-on just as it is on Android tablets and the iPad speeds aren’t stellar but it’s acceptable, rugged, silent and efficient. 75MB max read, 33MB max write (sequential.) Oh, on noise there isn’t any. No fan here!

I’ll leave it there for now and hand-over to you for questions. The keyboard dock will arrive some time next week and I’m really looking forward to that because if the keyboard is typical Lenovo style, I’m going to get on very well with it!

The unboxing video and a few more pics are here.