Ubuntu

www.ubuntulinux.org

Ubuntu markets itself as "linux for human beings" and it doesn't get much more straightforward than this. Insert the disc, select a few options and there you have linux. And if you aren't sure about whether all your hardware will work under linux then just slide that live cd in and a few clicks and you are away.

I've just upgraded to edgythe new version. Click here for instructions on how to update from dapper to edgy. 

home of the world's ch1x0rs