For its newletter subscribers only, newegg offers the Seagate Laptop Thin SSHD 500GB 2.5" Serial ATA 6Gb/s Hybrid Internal Laptop Hard Drive with 8GB SSD, model no. ST500LM000, for $99.99. Coupon code "EMCYTZT3104" cuts it to $78.99. With free shipping, that's $0.16/GB and, outside of the deal below, the lowest total price we could find by $6. This 7mm-thick hybrid solid state hybrid drive features a 64MB cache and 8GB of MLC NAND solid state flash storage. Deal ends March 17.

A close price: MacMall charges $79.99 with free shipping. (Search for "ST500LM000" to find it.)