There is no way anybody on these forums could not want all of this. Todd "doesn't know" whether they'll end up as DLC or free add-ons or what, but from what I've seen, the outcry is enormous--we're all totally jelly.
Edit: A video link to the important bits of the jam. While these links litter the forums as of the last hour, I think it's important to post at least this at the beginning of every relevant thread.
http://www.youtube.com/watch?feature=player_embedded&v=AYOFLqItuW4
Edit: A poll thread is better to discuss this. I requested a lock for this (hoping for an answer soon). Please join the discussion here:
http://www.gamesas.com/topic/1345002-jam-dlc-poll/


got one for ya: Fleas 
so long as it intergrates well into the world and not some half baked hack job.