I feel much like Lunaris about the concept. From the first post, this thread was pretty clearly a group-dynamic oriented game. I got excited about this thread because of the original description-- group of allies, traveling through unknown, fantasy world, common goal.
Personally, I won't play any 'BLARG I'M EVIL I RAPE YOU' game right now. I'm not into playing anybody's victim. There's plenty of people who ARE into that on E, and many of those threads are recruiting right now.
It might easily be possible to have a monstrous-type character that's still an ally, has a personality/conscience, is a party ally, etc. That could be cool with me, actually, but I can see how others might not be into it. Non-human characters are kind of an 'on' for me if we're talking about a creature-type that's devoid of repulsive qualities like rot, bad hygiene, tentacles, slime and bile, etc.
I'm not keen on the multi-party idea. Also, the numbers will thin once it comes down to actually writing, so it'd probably be difficult to fill two rival parties.
Ok-- those are my feelings, and I hope this can still work. If you guys decide to go in a different direction, I'll understand and try to be flexible. Thanks!