What apps are you talking about? I don't see how you can bounce from one OS to the next without detailing what apps you are using. What do you use in replacement of the iLife apps; that has you so happy with Win7; which is still Vista at least according to Steve B.
Horrid apps like Outlook/Exchange. Though his livelyhood depends on his knowledge about these programs so its understandable why Windows would and should be his primary OS.
If you've grown up and become accustomed to Microsoft's way of computing then it's hard to change. I like Apple's vision for computing and so I stick with OS X.
In the end everything you do on a Mac functionally can be done on a PC ..it's just the relative amount of ease and UI that makes for platform preference.
Windows 7 will do fine for consumers. I still don't see businesses wanting or even needing to upgrade so they will delay the transition.
Snow Leopard will turn out to be a fine OS and pave the way for Apple differentiating it's platform even more.
AAPL -$122.11 Market Cap 108 Billion. I think Apple is fine.