Updating your OS

How often do you /prog/rammers update your operating system? If you use Windows or Mac OS X, fuck off you aren't a programmer.

I have run all but dry of understanding for programmers that willfully pick anything else than OS X as their platform of choice. I know a few that are still stuck in the rut for various reasons -- none of them desire.
Apple will continue to trounce everyone else for the preferred geek platform. The stigma of not being able to use Textmate will increase (watch the Rails screencasts).