There are ways to emulate cpu extensions, so yes, it could be possible.

Personally I'm a bit puzzled about the fact I cant run osx86 at the moment because snow leo doesnt support the gtx 550 ti.

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My Hardware
CPU: Intel Celeron G530
Memory: 4.00 GB DDR3 1333Mhz
Graphics: NVIDIA GeForce GTX 550 Ti
OS: Mac OS X Lion 10.7.4 - Vanilla kernel
Motherboard: Gigabyte GA-H61M-D2-B3