newegg offers the ENCORE 802.11g Wireless USB 2.0 Adapter, model no. ENUWI-G2, for $10. This $10 mail-in rebate cuts it to $0. With $2.99 for shipping, that's the lowest total price we could find by $8, although we saw it for $3 less in June. It supports data rates of up to 54Mbps and features 64/128 bit WEP, WPA, and WPA2 encryption. Offer ends August 7.