@ImprisonedPride: Well, that´s cool, as i said, i´m looking forward to having all 3 major OS on a single machine early next year, too =)
Right now i´m mostly using windows for apps not available on the mac like 3D Max and others running way better than on mac (like most of the Adobe ones).
Then i´m equally using the mac for the apps available only for mac OS or running way nicer than in windows version. And yeah, also using it for all iOS stuff since that´s good to do with a mac so one can use all the xcode tools and the whole device interaction works better.
Well, we´ll have even way more different OS types and versions around soon what with now Chrome OS devices coming out, next year also playbook OS and various other ones =)
Its funny, to me these times feel a lot like in the early video game and computer days, tons of new devices, OSs many distribution ways and other avenues for indies popping up each day. Not sure how long expansion in diversification will go on like that, but it is interesting to experience =)

@Incrue: I guess Imprisoned was talking about him using free apps for his work rather than him working for free =)