If you want to know the boundaries and freq's of the practice areas, in addition to the reporting points that are being used, check out: http://www.aftw.org/ under the "Topics of Discussion" tab.
don't forget about the gliders too in Nphx!
Does anyone currently instruct in the PHX area at the moment?
Yup.
And is response to Kristie's comment, watch out for the gliders all over! Not only up north, but southwest by estrella gliderport, and especially enroute to Tucson there are a ton of gliders. An even worse thing about them is most operate without transponders or even complete electrical systems, so our planes with TCAS and TIS don't even pick them up. Gotta keep your eyes open!