Buy.com has a Linksys WGA11B Wireless-B Game Adapter for $24.99 with Free Shipping.
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- Lag-free head-to-head or Internet gaming at up to 11 Mbps, without stringing wires n
- Converts wired-Ethernet-ready game consoles to Wireless-B network connectivity n
- Works without drivers on PlayStation2, Xbox, and GameCube n
- Exclusive Channel Selector Button makes network setup a snap n
- One year limited warranty