Newegg has 1TB Hitachi Internal Serial ATA 7200RPM Desktop 3.5" Hard Drive (Retail) for $65 with free shipping. Next best on Google Products including shipping is $89. Thanks LifeStyl3r
Frys has the Toshiba 500GB Portable USB 2.0 External Hard Drive for $60. Select in-store pickup to save on shipping. Shipping starts at $6. Thanks NineT9.
Newegg has Hitachi Travelstar 500GB 7200 RPM 2.5" Laptop Serial ATA Hard Drive for $79.99 with free shipping. Lowest of Google Products from a reliable seller is $100 plus shipping. Thank you zazon
Office Max has Toshiba 500GB USB 2.0 Port External Hard Drive for $40 and Toshiba 640GB Portable External Hard Drive for $60. Shipping is Free if you spend $50 or more, otherwise it's $7.95. Thanks mva
Note, availability varies by zip code
Also, 320GB available for $40. Thanks Technosquid & OzGoD
Note: This deal becomes much slicker if purchasing multiple combos, price is $145 each if purchasing 2, $135 each if purchasing 3, and $125 each if purchasing 5 or more.
ZipZoomFly has Kingwin EZD-2535 Plastic 2.5 & 3.5" SATA & eSATA Hard Drive Docking Station for $30 - $20 Rebate = $10 with free shipping. Next lowest price on Google Products is $25. Thanks Liss
Office Max has 2TB Seagate Freeagent Xtreme USB/Firewire External Hard Drive for $180 with free shipping. Next lowest on Google Products from a store which has the item available for shipping is $246 shipped. Thanks Selma