The CEO of Canonical, Mark Shuttleworth, highlighted ARM Servers by Smooth-stone and Tegra2 Powered Toshiba AC100 at his keynote speech at the Ubuntu Developer Conference. He mentions the cool work done to port Ubuntu 10.10 to it: http://ac100.gudinna.com/. Hopefully Nvidia, Canonical people and the open source community will bring about full hardware acceleration for all aspects of Ubuntu 10.10 on this ARM Cortex-A9 laptop design.
Found via: blogarm.net