One way I've "worked around" this is to use Apache's proxy ability. In essense, you can intercept requests going to a specific address, pass them to a certain port and then pass the reply back. It's a bit of work, just so you don't have to type :8500 at the end of your URL, but it can be done. I guess that if you need to have a sexy URL because you're using CFMX on a production box, this is a good solution.
The only real side effect I've found is some funny business that takes place with session variables sometimes and also with obtaining the referrer IP (it will always be localhost).
If you're really interested in this approach, let me know, and I'll post some sample lines from my httpd.conf to get you up and running. I'm checking back here on a fairly regular basis for Part 4... anytime O'Reilly gets around to editing it.