Here’s my argument about why we see more Macs in the creative world:
1. From a graphic or web designer, you’d expect someone knowing and caring about usability, simplicity and beauty.
2. Someone knowing and caring about usability, simplicity and beauty likes to have hardware and software that give him usability, simplicity and beauty.
3. Mac computers and Mac OS X are the only hardware and software that can give him usability, simplicity and beauty.
I don’t think Mac computers and Mac OS X brings you creativity, I think it’s just logical that someone who cares about design wants to work in a usable, simple and beautiful environment.
Personally, I have never seen anything coming from Microsoft that I could have called “design” (except the Zune lineup, but hey, how could you say they’re not iPod ripoffs?).
And, I have never seen any PC computer that seemed to have been “designed” before manufacturing (except Sony’s VAIO lineup, but hey, how could you say they’re not Mac ripoffs?).