ok guys so i just got my new ibook and yes it has an airport card. i just want to double check that it works with my dads router which is 802.11 g and compatible with b. it is a dlink di-624. with the windows pc we have it has been a piece of $*** and i hate it so im really hoping it dosnt give me any problems with my new mac. and he has a firewall which is zonealarm installed which i really hope dosnt affect my computing . if anyone can holler back with some input that would be sweet. thanks 