Andres seems to have been having similar thoughts on PC purchases today :)

I had to make a decision... would I buy PC hardware to keep running Windows, and thus invest a sizable portion of my expenditures in running (eventually) Vista, which is well known to be an abomination? I concluded that doing so would be to throw money away. Thus, my answer to that was to get a Mac, which will mean using roughly the same hardware to run a serious operating system built on serious foundations instead.