newegg offers the Crucial M4 64GB Serial ATA 6Gbps 2.5" MLC SSD, model no. CT064M4SSD2, for $79.99 with free shipping ($1.25/GB). That's the lowest total price we could find by $2, although most merchants charge $90 or more. (We listed it with a data transfer cable for $5 more last month.) It features up to 415MB/s read speeds and up to 95MB/s write speeds.