The usual prize money, which is the total entry fees for everyone who played in the tournament. It also follows the typical prize distribution:
Besides that they have time for Money Matches where two players put however much money they want on the line.
I'm planning on doing some money matches if I don't get into top 3, so I can get some money back from the trip.
There might also be raffles.
Oh yeah, the tournament will be streamed live over at Justin TV by Team Sp00ky