This deal has ended.
Priced as much as $30 at other stores, Buy.com has the Kingston 4GB DataTraveler USB Flash Drive for just $17.95. It's well reviewed, having received 4.5 out of 5 stars from 11 buyers. If you sign up for Google Checkout, you can take an additional $10 off the price, giving you four gigs for $7.95. Shipping is free and there is no sales tax (except CA, MA, MD, TN).