Awesome site man...that should help me out in the future quite a bit! I think I solved the quirkyness of the menus for now, and looking at the quirksmode site, they did a similar technique for hiding the submenus (but a bit more complex).
Any other links to resources like that would be greatly appreciated!
You can do it in raw CSS:
edit: here's an example:
Yeah, I know...I'm a big proponent of pure CSS solutions as well, but the menus in this case are actually a bit different than the suckerfish version. My friend was trying to get this site out to his client by today and had already got most everything all together and knew exactly what he wanted. I just helped out with some CSS quirks and the menu thing...looking at the code more in depth, I wish I had a few days to really disect it and improve a great number of things, but such is life. Thanks for the links regardless!