the Mexican food you usually find in the US is actually Tex-Mex, which can be very different from "authentic" Mexican, although some dishes can be similar <img src="http://www.traveltalkonline.com/forums/images/graemlins/chef.gif" alt="" />
i lived in Mexico when younger, and now live in Texas, and i personally don't have a preference...i like it all <img src="http://www.traveltalkonline.com/forums/images/graemlins/Thumbsup.gif" alt="" />