Geeks.com offers the factory-refurbished Seagate Barracuda 7200.10 500GB Serial ATA 3.0Gb/s Internal Hard Drive, model no. ST3500630AS, for $57.95 plus around $9 for shipping. Apply coupon code "SEPHD" and it falls to $49.95 ($0.12/GB). That ties our mention from three weeks ago for $11 under the lowest total price we've seen for a new unit. This 3Gbps perpendicular drive operates at 7200 rpm and features a 16MB cache. A 180-day Seagate warranty applies.