okay, finally asked my apple buddy about my issue. he said he doesnt know a lot about the hackintosh world, but maybe, JUST MAYBE, the nForce chipset kext may be interfering with the nVidia Geforce kexts, causing a slowdown. this sounds plausible.... any thoughts?

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Hack Pro:
AMD Athlon 64 Dual-Core X2 5600+ 2.8GHz
Asus M2N-SLI Deluxe Motherboard
8GB ram (4x2GB DDR2-800)
XFX Geforce GT240 1GB DDR5
500GB SATA HD (Snow Leopard 10.6.6)
250GB SATA HD (Windows 7 64bit)