This deal has ended.
The Microsoft Xbox 360 Wireless Network Adapter is available at Buy.com, still for $87.99. This component synchronizes your Xbox 360 to your wi-fi network, and is usually priced at least $10 higher elsewhere. CircuitCity.com is currently offering it for $100 before sales tax. Shipping from Buy.com is free and there is no sales tax (except CA, MA, MD, TN). New Google Checkout users can get an additional $10 discount for signing up.