Well, these human challenges are getting pretty close... but I'm waiting for the creature feature challenge
And to be honest, the lack prizes isn't a big deal.
I think the main problem for me (and others) is finding the time, and motivation.
www.stevenegan-cgi.com
"Your weapons are no match for ours! People of Mars, surrender!"
"Um, this isn't Mars. This is Earth."
"Earth? Earth-with-nuclear-weapons Earth?"
"Yes."
[long pause] "Friend!!"