There is a new review out from IT Reviews (itreviews.co.uk) covering the Toshiba Libretto U100.
This ultra-portable sub-notebook has bang up-to-date technology incorporating a fast CPU, a serious amount of storage space, more than enough methods of communicating with the outside world
This is the smallest of the ultraportables – weighing in with a 7.2-inch screen (but still squeezing out 1280×768 resolution).