Buy.com has a $61 discount on the 500GB Western Digital USB drive.
Small, simple, elegant, and very easy to use. Just plug it in, and you’ve got plenty of room to back up and save your valuable data, music, photos, and movies. Ideal For: Simple add-on storage for your files, music, photos and movies Adding virtually unlimited storage with multiple USB 2.0 external hard drives.
Western Digital My Book Essential 500GB USB 2.0 External Hard Drive