Buy.com offers the Sandisk Ultra 120GB SATA 3Gb/s 2.5" Internal Solid State Drive, model no. SDSSDH-120G-G25, for $129.95 with free shipping. That's $1.08/GB, tied with our October mention of this drive, and the lowest total price we could currently find by $5 (outside of the mention below). Features include up to 280MB/s read speeds, up to 270MB/s write speeds, and more.

Best Buy charges the same, however sales tax is charged in more locations.