Not that I know of, however if you would really like to, you can get the linksys router's with a USB port and uplink them to a wireless access point effectivly making it a Wireless network with a USB ...
My mother-in-law bought a linksys wireless-G router and I am trying to help her get it set up. She lives 5 states away, so we're doing this by phone. She's not at all tech saavy (doesn't know a cat5 ...