Yeah, I hate USB as well. It is far from Universal,
considering that
very little USB hardware works on a Macintosh due to the lack of
drivers, and even with the proper drivers, it seems to be flakey at
best.
What are you trying to run on the Mac via USB?
If it is a mouse or joystick, have a look at USB Overdrive. That guy
seems to support everything!
-chris
<http://www.mythtech.net>