mods
nwnvault has a few Forgotten Realms mods. Have you checked their Hall of Fame? I saw at least 1 there.
Some mods are HotU, just check the level requirements.
I played a mod with my level 27 toon, just little to no exp was gained by it. The mod played fine though. Look to see if the creator updated it since Hordes was released. Some of them have from what I have read so far.
there are some HotU mods, using new features, check them out too.