I’m testing a couple of Belkin docks right now with my Ultrabooks and they’re excellent solutions for hot-desking. It’s saved my the use of one laptop as I now take one laptop between two desks rather than leave two in situ. Plugable have some similar docking solutions too. They use DisplayLink hardware and drivers to create screens that work over USB with soundcards and more. We’ve been testing it with Atom since 2008 but plugable have an excellent video that shows it working really well, almost transparently, with four external screens on Baytrail. That 8-inch Baytrail tablet can be your desktop!
P.S. I’ll get my Belkin reviews up ASAP!