NewEgg.com has the Western Digital 640GB USB Portable Hard Drive in Charcoal, model no. WDBAAC6400ACH, bundled with a USB dock for $69.99 (99.99 – 30 instant savings) with Free Shipping for a limited time. This ultra-portable USB drive is packed with smart features: WD SmartWare software for automatic, continuous backup, password protection, an illuminated capacity gauge, illuminated capacity gauge, 256-bit hardware-based encryption, Mac/PC compatibility, and a convenient grab-and-go USB dock.