OK, I've been waiting since Win7 came out for this update and now I don't know WTF to do with it. (BTW, unibody 13" Macbook running 10.6.2 and Win 7 64-bit).
As for the people who keep asking, "What's the big deal? I've been running 7 forever.", etc, here is the big deal. The trackpad works horribly tracking-wise and there is no multitouch going on so I can't right click on anything without using a mouse. None of the special buttons work so I can't use the keyboard to adjust screen brightness, eject CDs, or dim the display. No iSight either (not that I've ever used it). All this stuff worked in XP.
So Apple only has "updates" on their site, and the version of Bootcamp that came on the 10.6 install DVD refuses to run whatsoever. The 3.1 update doesn't do anything but update the NVidia display drivers, and those were already working perfectly.
I need to right click, man!