This deal has ended.
Buy.com has their LaCie 500GB USB 2.0 External Hard Drive on sale for $104.99. Plus, if you are paying via a new Google Checkout account (simply sign up for a new Gmail account to achieve this) you will get an extra $10 off, lowering the price to $94.99. The drive features more storage space than most computers contain, and you're getting it at just $.19 per gig. Shipping is free and there is no sales tax (except CA, MA, MD, TN).