Ok, I've got a PC that I built years ago with all the state of the art parts. I could play all the games I wanted at a healthy resolution as well as work on videos and photos with relative ease. Well, the time has come to get something entirely new. Last year I bought a MacBook and fell in love with Apple products. I've got an iPod, iPhone, and MacBook now and while I still have a few favorite programs on the PC, I think I may be ready to make the break and buy a Mac Pro. At least, until I saw the HP Blackbird 002. What a gorgeous machine! 100% non propriety parts, liquid cooled, snap-in-and-out everything, SLI, RAID, and the latest in nVidia graphics and motherboards, and everything is totally upgradable. Its only obvious problem... Windows Vista. So, my question is, what the hell do I do? I want a machine that can do EVERYTHING. I wanna work on professional grade home videos in OSX and then hop on Battlefield 2 to blow off some steam at 100 fps on a state of the art video card. Can I do this on a Mac Pro? How upgradable is it? How do games perform in BootCamp? What are its potential weaknesses vs the Blackbird or other souped PCs? Sell me on the Mac Pro without citing the obvious advantage of OSX vs Vista. Thanks for your help!