Just because something isn’t part of the standard, that doesn’t mean you don’t have to support it. Especially when all your competitors DO support it. Unless of course you are the 900 lb gorilla that is Intel Corp, then you can do whatever you want.
I might just be a tad bitter right now.
Update (9/15/2004): I guess I needed some sleep or something. After some clear thinking, I reset my SMC access point to factory defaults. Slowly turning features back on, I found the one that was making the Intel wireless card angry.