This week Buy.com has the refurbished Western Digital My Passport Essential 320GB USB portable hard drive in silver (model no. WDBAAA3200ASL-NESN) which was $99.99, but has been cut by $57 to $42.99.  This price break has made this the lowest price we have seen on this hard drive by $33.  FREE shipping is included and sales tax applies for residents of New York and California.  The WD My Passport Essential hard drive features 320GB of portable storage space with plug-and-play connectivity, USB 2.0 interface, and a serial bus transfer rate of up to 480MB/s. 

NextWarehouse.com has the Toshiba Canvio 500GB portable hard drive for just a little bit more, $77.85 with FREE shipping.  Jump to the 750GB Toshiba Canvio portable external hard drive, now $95.94 with FREE shipping at NextWarehouse.com as well.  Or if you need even more portable storage space, check out the Toshiba Canvio 1TB external hard drive, now $128.13 with FREE shipping at NextWarehouse.com.