Here's what the official press release won't tell you about Ubuntu 9.04, which formally hit the streets overnight: its designers have polished the hell out of its user interface since the last release in October.
The idea is to get a new type of device into people's hands for as cheap as possible (we were aiming for $200, it looks like $299 is more realistic). It fits perfectly on your lap while you are sitting in front of the TV, so you can look up stuff on Wikip