[arebop]

I'm new at AUCTeX but so far, so good. I'm using TeX Live via MacPorts but I guess AUCTeX and XeTeX would get along fine.

[bugs]

They should and mactex should basically be the same as texlive as I believe that is what it is created from, if someone wants a gui for the mac I believe http://www.uoregon.edu/~koch/texshop/ is popular