@mikbre download an Ubuntu 11.04 LiveCD image and test drive it… no install necessary.
Trying out the “unity” desktop on Ubuntu 11.04 - seems very Mac-like, but I doubt I will make it my default.
Ubuntu 11.04 was released today. Have you downloaded your copy yet? http://ubuntu.com/
Perfectly timed (and somewhat long) lunch… power was out at my office for an hour, and I missed it.