I know I am
Hopefully they've sorted out that locking up/freezing bug that was in hardy.
If you haven't heard of it, check it out. Its currently my new favorite operating system
Ubuntu Home Page | Ubuntu
About a year ago I would have been, but I just don't use Ubuntu any more. If I had a spare PC maybe, but I only have Macs now, and I don't see the point in putting it on there when I have my favourite OS on already.
Maybe one day I'll get back into it all.....