Kingston answered this need a few years ago when they introduced the WiDrive. While this was a fantastic device, it too suffered from limited storage. Kingston listened to feedback and developed the new MobileLite Wireless which builds on the strengths of the WiDrive but takes it one step further by providing a USB port and SD card slot for removable memory."
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips