Buy.com offers the Crucial 128GB M4 2.5" Serial ATA 6Gb/s Internal SSD, model no. CT128M4SSD2, for $99.99 with free shipping ($0.78/GB). That's $10 under our mention from three weeks ago and tied with last month's mention as the lowest total price we've seen for this model. (It's also a current price low by $9.) It features read speeds of up to 415MB/s and write speeds of up to 175MB/s.