Now THIS is what I need

WRTSL54GS Wireless-G Media Storage Link Router with SpeedBooster

First peek at the Linksys WRTSL54GS WiFi media router - Engadget - www.engadget.com

I've been wanting a network-attached storage device, but the standalone systems are too pricey. By attaching storage to the router, it's always on (without having to leave a host computer always running), and it's cheap at $100.