This Flash Drive

Abes of Maine has the SanDisk Cruzer SDCZ44096A11 4GB Micro USB 2.0 Flash Drive for $9.99 + $4.95 shipping = $14.94 Shipped.

Product description from Abes of Maine:

The Cruzer Micro from SanDisk is a small USB Flash Drive that connects to a computer’s USB port and lets you store and move up to 4 GB of data. You can easily store your key documents, pictures, music and video clips on a Cruzer Micro and transfer them to another computer!
with a USB port. If you are running Windows Vista then you can use this Enhanced for Windows ReadyBoost USB Flash Drive to help improve your PC’s performance.

Product link.