When is people going to stop this nonsense? A piece of software should run in any computer, the speed of execution being the only difference. But breaking compatibility with older system just forces people to trash otherwise useful systems. The only group I've seen that respects this is Seamonkey as the latest release can work on any Pentium 1 systm.
Myself, I'm still running an ancient Socket 7 AMD K6-3 PC. Any software compiled for i686 doesn't work properly due the processor lacking CMOV instructions. Suprisingly, for general tasks such as light web browsing, music listening and even DVD watching, the performance is decent. Why should I trash it?