Hi, I need to get a few suggestions on some USB WiFi dongles. My internal AirPort card works fine, except when on my university's wireless network. Pitt uses 802.1X authentication, and this has put a severe damper on the throughput. This problem was reproduced in two other MacBooks containing the AirPort card type (0x168C, 0x87), but all other types of AirPort cards were fine. I went to the Apple Store to get a new AirPort card as part of my AppleCare, but they said that each MacBook has its own specific type, which cannot be replaced by another. So I'm at my wit's end, as Apple can't help me and, seemingly, Pitt has been unwilling to help me very well in terms of fixing the network. Thus, I'm looking for a USB dongle that will work with 802.1X authentication, is compatible with an Intel Mac, and costs <$50. Your help is greatly appreciated, because my next line of attack is to demand Pitt buy me a USB dongle (if it costs too much) after misleading me and many other people.