Amazon offers the OCZ Agility 3 180GB 2.5" Serial ATA 6Gb/s Internal Solid State Drive, model no. AGT3-25SAT3-180G, for $99.99. This $10 mail-in rebate drops it to $89.99. With free shipping, that's $0.50/GB and the lowest total price we could find by $25. This drive features read speeds of up to 525MB/s and write speeds of up to 500MB/s. Deal ends September 13.