Buy.com offers the ioSafe Rugged 750GB USB 3.0 External Hard Drive, model no. PA70750U1YR, for $149.99. This $50 mail-in rebate drops it to $99.99. With free shipping. That's $0.13/GB and the lowest total price we could find by $99. This drive runs at 7200 rpm and claims to be disaster-proof against fire or flood. In addition, it features one year of data recovery service and includes up to $1,000 worth of forensic data recovery. Rebate expires December 31.