Western Digital 160GB My Passport Essential USB 2.0 Portable Hard Drive - Viola for $78.99 Shipped Free!
 

One of the best looking and portable 2.5" external drives I've seen. It includes a nice backup software so you can sync your data between the office and home. You can also choose to encrypt this data for more security. This drive is also very tiny and extremely portable. Great system! WESTERN DIGITAL 160GB MY PASSPORT ESSENTIAL USB 2.0 PORTABLE HARD DRIVE SALE