Awk: Parallels virtualization on Mac with Intel chip level VT support sounds like a nice alternative to rebooting to a single os, and slooooow virtualization software like MSFT VM.
I believe Parallels is software WSJ's Walter Mossberg said he had not been able to test as of his Boot Camp review article on page B1 yesterday.
I want to know his take on Trusted computing. I recall his hardware recommendations for be ready for Vista last year. There was no mention of needing a TPM on board. You may be able to load Vista without a TPM but cannot legally put the Built for Vista logo on the box.