For those of you who've made the jump to Tiger and are struggling with getting a version of Emacs up and running, here's some help.
The current version in CVS builds just fine and seems to be fully functional. I was able to get everything going with Andrew Choi's instructions. He seems to be working on perfecting the Carbon version of XEmacs, too.
Mac OS X Hints
http://hints.macworld.com/article.php?story=20050504054718134