Newegg has the HITACHI Deskstar HD32000 IDK/7K 2TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive for $170 - $30 rebate [Exp 11/30] = $140 with free shipping. Has a rotation speed of 7200RPM, 32MB buffer, 8.2ms average seek time, and uses a 5 platter design.