Buy.com offers the Kingston 64GB DataTraveler USB 2.0 Flash Drive, model no. DTR500/64GB, for $79. This $15 mail-in rebate cuts it to $64. With free shipping, that's $1/GB and the lowest total price we could find by $33, although we've listed several slower 64GB flash drives for a few bucks less without any rebate hassles in recent weeks. It features up to 30MB/s read time, up to 20MB/s write time, and more. Rebate ends January 12.