Originally Posted by
IceTrojan
I made a mistake though.... after clearing security at the AA gates, make a hard LEFT. I'm still working on my lefts and rights

I was just about to say something. If you do a hard right, you'll hit the wall and others will think you spent too much time in the CO lounge.
Also, I vote for walk. Airtrain is great for access to the rental cars and international terminal parking garages, but not for going between terminals. Except for those with limited mobility, that is.