moofi (Woot's secret site) offers the factory-refurbished HP Pavilion H8-1237c Intel Core i5 Quad 3GHz Desktop PC
(no monitor), model no. QW806AA, for $599.99
for shipping. That's tied with our mention from two weeks ago as the lowest total price we've seen for a Core i5-equipped Windows PC with 10GB of RAM and a 2TB hard drive. It features an Intel Core i5-2320 3.4GHz quad-core processor, 10GB RAM, 2TB 7200 rpm hard drive, DVD burner, NVIDIA GeForce GT 520 1GB video card, 802.11n wireless, memory card reader, USB 3.0, and Windows 7 Home Premium 64-bit. A 90-day HP warranty applies.