update from 64-bit land
I'm happy to report that I've encountered no major issues running 64-bit Win7. Everything so far is doing okay. Most of my apps are 32-bit, so I really don't notice that much of a difference in speed.
However, WinRAR x64 is definitely way faster, and I'd assume 7-Zip x64 also gets a super-boost. Archiving is way faster now and in some instances cuts the time to archive big files by more than half. Very cool.