newegg offers the ADATA Dash Drive 500GB 2.5" USB 3.0 External Hard Drive, model no. ACH11-500GU3-CBK, for $59.99. This $20 mail-in rebate cuts it to $39.99. With free shipping, that's $0.08/GB, $10 under our April mention (which didn't require a rebate), and the lowest total price we could find by $26. This 2.5" drive features up to 90 MB/s data transfer rates. Rebate expires July 31.