TigerDirect offers the Seagate Momentus XT 750GB 2.5" SATA 6Gb/s Internal Solid State Hybrid Drive, model no. ST750LX003, for $154.99. This $20 mail-in rebate cuts it to $134.99. With $2.29 for shipping, that's $0.18/GB and the lowest total price we could find by $15, although it was a buck less two weeks ago (since expired). This 7200 rpm drive features a 32MB cache. It also includes 8GB of SLC NAND solid state flash storage. Rebate expires May 26.