J and R has the SMC 802.11b PCMCIA Card for your laptop for $20 after a $15 rebate. This is an excellent price, as these cards normally go for $50-$70. Shipping is $5 and tax may apply.

http://www.jandr.com/JRProductPage.process?RestartFlow=t&Merchant_Id=1& Section_Id=2080&Product_Id=3560862