newegg offers the OEM ADATA S510 120GB Serial ATA 6Gb/s 2.5" Internal Solid State Drive (SSD), model no. AS510S3-120GM, for $109.99 with free shipping. (MacMall offers it for the same price via this $30 mail-in rebate.) That's $0.92/GB, $5 under our mention from three weeks ago, and the lowest total price we've seen. (It's also a current price low by $36). It features read speeds of up to 550MB/s and write speeds of up to 510MB/s.