Does anyone know of any good normal mapping tutorials for Maya?

http://www.jeffparrott.com/normalmaptut_01.html

the only Maya specific one I know of since I use Max...

If you don't have Maya 6, here's another program that you can use to get normal maps from high poly models to lower poly models:

http://www.soclab.bth.se/practices/orb.html

Tutorials are included with it.

I hope this helps.