I almost hate to mention it, because I hate the way CompUSA almost always seems to be out of stock on anything that's on sale, but...
MA111 Wireless USB Network Adapter, 802.11b Manufacturer: NETGEAR Mfg Part #: MA111NA Product Number: 305657 Was: $49.99 $9.99 SAVE $40 after: $10.00 instant rebate(s) $30.00 mail-in rebate(s)