Amazon has the D-Link DWL-G650 AirPlus Xtreme G Wireless PC Card which is compatible with 802.11b. Up to 54 Mbps with AirPlus Xtreme G products. Check out the reviews on CNET Asia and CNET.

1. Amazon Price : $52.99
2. D-link Rebate : -$15.00
Final Price : $37.99