Tigerdirect (http://www.tigerdirect.com/applications/searchtools/item-Details.asp?EdpNo=3189364&sku=MBM-680I-Q6600&CMP=EMC-TIGEREMAIL&SRCCODE=WEM1393BY) is offering a Quad Core Q6600 processor with an nVidia 680i SLI Mobo for $499. That's about $250 cheaper than normal. Not bad, if you are looking to go quad core anytime soon.