It'll take some getting used to, but it does seem to be better and have more compatibility. For example, it can set tables in BBC code, which the old PHPBB couldn't. I was confused a little while ago when I saw that error message. Unfortunately, I had to change my passwor to (well, not exactly a change, since I changed it right to what it was before...) What caused the password thing though? I had an email where Modman had some trouble too.
Ooh, cool. You can insert
flash video...
And Marquees (just like HTML)...