Yeah, I saw you post. I even lifted your suggestion for using the Behemoth in place of the Gorillon. My characters are starting at level 5, so of course, I had to make the encounters a little lighter than yours.
Did you ever do any work on the traps? That's my next job...
Conversion methodology
my conversion methodology is here:
http://caitlain.com/index.php?option=com_content&view=article&id=73:converting-35e-adventures-to-4e&catid=35:dad-4e&Itemid=56