Go and install Linux.
Tried that :p
As nice as the distributions come these days they really still cant compete with the likes of Windowx XP.
Seriously. It's a good effort and they have gotten a long way in the past years, but proper application support is still thouroughly pants.
The thing is that having a stable OS isn't everything. What's the point of having an OS that never crashes if you don't have anything usefull to do with it? :p