I'm absolutely interested. If it's ok, I'd like to play a sort of amorphous race. Their flesh would be a gel-like substance, and they can only retain a humanoid form with the help of a restrictive suit (think along the lines of an astronaut's attire). If that's unacceptable, as I know you said you wanted humanoid characters and gel beings are only marginally humanoid, I'd like to play a large, brutish, troll-like race. Anyway, this sounds awesome, hope I can be part of it!
EDIT: Well, I have no idea what happened, but my thing posted 3 times, I'm so sorry.