HP Direct has the HP AW012AV Pavilion p6280t Mini-Tower Desktop for a coupon steal. Make sure you upgrade your hard drive for FREE during checkout to 640GB. Other features include Windows 7 Home Premium 64bit, Intel Core 2 Quad processor Q8300 [2.5GHz, 4MB L2, 1333MHz FSB], 6GB of DDR2 RAM, 640GB hard drive, DVD burner with Lightscribe, Intel Media Accelerator 3100 and keyboard and mouse. It’s $549.99 – $20 coupon (SVMY478761) + free shipping = $529.99 shipped!
Don’t forget HP’s $20 coupon: SVMY478761 (expires: soon)