Buy.com offers the Crucial 128GB M4 2.5" SATA III 6Gb/s Internal SSD, model no. CT128M4SSD2, for $149 with free shipping ($1.16/GB). (Amazon charges the same.) That's a buck less than yesterday's mention and the lowest total price we could find by $14, although we saw it for $4 less a week ago (since expired). It features read speeds of up to 500MB/s and write speeds of up to 175MB/s.