I installed Windows 7 Ultimate with Boot Camp and can boot into the OS (natively) just fine. I followed the instructions provided exactly, choosing to use the Boot Camp partition in creating a new VM. At first, I experienced a Error : No Free Memory for XSDT and followed the instruction proivded in the KB (http://kb.parallels.com/en/111406) which resolved that issue. I later got a BSOD similar to this one (http://kb.parallels.com/8561) but I could not follow the workaround because I do not have any Parallel Tools in my programs list. Anyone encounter this issue??