Well after a bit of extra effort, I managed to get my "cutting edge" laptop configured as follows:
I did encounter a couple bumps along the way, which I managed to resolve myself - they were:
I'm actually surprised that those were the only issues I encountered, considering how betaish most of the above is. Now if I can just get a wireless driver, I'll be all set.
It looks like we'll have a new CTP build of x64 Vista coming soon, and I'm inclinded to attempt an upgrade (and will do so with every CTP until RTM), and now that my MSCRM 3.0 VPC is almost together, I can get back to building my simple app on all this...