For those who have not been able to get rivatuner working in bootcamp, I have been half way successful. The bottom line is that rivatuner needs to be updated with the MBP's new video cards. The 330 (and I'm assuming the 320) have a special identifier that is not in the program which causes conflicts. As far as I have gotten, I can get the programming tabs, but nothing really works yet.
reference http://forums.guru3d.com/showthread.php?t=320978
reference http://forums.guru3d.com/showthread.php?t=320978