Amazon offers the PNY 120GB XLR8 2.5" Serial ATA 6Gb/s Internal SSD, model no. SSD9SC120GMDF-RB, for $59.99 with free shipping. (MacMall offers it for the same price.) That's the second-best price we've seen and the lowest total price we could find by $2. (We saw it for a buck less last month.) It features read speeds of up to 400MB/s and write speeds of up to 400MB/s.