I admit, I'm curious, I committed adultery a few times and tried different Linux distributions (1999: Caldera, 2005: Ubuntu 5). I had a short date with Vista and really got scared from it (apart from the HW-specs), after only one hour I got enormously fed up with this OS doing all kind of things in a very awkward way. Ubuntu 5 however was very user-friendly, native and stable. As most of my day to day work was easy to fulfill with Ubuntu, it was a viable option. I even installed Ubuntu on a notebook of a close, and almost computer illiterate friend and he adored it for its simplicity...
Read on at Madshrimps.