If you figure something out, you gotta let us know. I'm in a similar boat (got this WiFi card AND a Marvell Yukon 88E8040T Ethernet card) so I'm really desperate to get my machine online. Got my Kalyway 10.5.2 install up and running, but without internet it's useless to me (kinda wanna mess around with th iPhone SDK but to do that I need 10.5.4 which I don't think I can get offline. And yes, I know not to use the Apple Updater. Fastest way to break my install and blah blah blah). I need to get online or else I'll go crazy and sell stuff I normally wouldn't in order to get a MacBook! No one wants that. No one.