Well you could try these,
Songforthelost.proboards.com (its not very active anymore but people still get on every once in a while
Shadowfire.forumotion.com (this is one of my site and its not very active anymore but its got a good plot thats easy to follow and fun when you get the hang of it)
and i just made a new one
Angelsintheshadows.forumotion.com (it doesnt have any memebers yet and it just getting started but once it gets going it will be very good.)
( i will add more later)