We’ve just reviewed the Lenovo Yoga 11S and found it to be an exciting and yet productive sub-notebook with usage modes that go way beyond what a standard clamshell can achieve. The Haswell update is shipping too so you can now expect longer battery life but what’s really needed is a re-design around that platform in order to shave some weight off and make it more usable as a tablet. There are hints that it’s already happened.