I left Apple around the PPC->Intel transition, for Thinkpads (and recently, a Zenbook) running Debian. No regrets; life got much better; would not go back; YMM

I left Apple around the PPC->Intel transition, for Thinkpads (and recently, a Zenbook) running Debian. No regrets; life got much better; would not go back; YMMV. (I still have to use OS X and iOS machines regularly at work, and this only confirms my decision.)