Bottom line
This might not be the right thread to post this, but what do you think will happen afterwards ?
Let's bet on 5000 submissions, 4000 of them distinct and worth something, and 10 selections.
Mmmhhhh... I foretell 4997 fantasy worlds submitted to other d20 publishers, most of these trashed without second thought.
And then ?
I bet on 3000 rpg sites florishing, many of them loaded with good ideas, but drowned in the number and lost for the gaming community.
On the other hand, with some help, I suppose that teams working on similar ideas could join forces into producing high-end fan/publishable worlds.
Anybody willing to organize this ?
Be reading you,
YA
P.S. : Thanks for the idea, Wizards. I found it funny to write Trailers for my ongoing campaign worlds. I hope this will be done again.