I have a phpbb2 site that I have upgraded to phpbb3 (experimenting only); however, as you are aware, it doesn't convert the mods. The primary mods that I'm looking at converting are a weblog, album, and private messaging. Along with the mods, I also need to import the data.
This is a fairly large site with several users. The current site is [url removed, login to view]
If this is something that you are interested in, pleas let me know what kind of timeline you would be looking at. I am hoping to have this done ASAP.