Newegg offers the Silicon Power 120GB Slim S55 2.5" Serial ATA 6Gb/s SSD, model no. SP120GBSS3S55S25, for $32.99 with free shipping. (Amazon charges the same.) That's the lowest total price we could find by $5, although we saw it for a buck less three weeks ago. It features read speeds of up to 520MB/s and write speeds of up to 370MB/s.