Origins game

[purple gelatinous cube o' Doom]

I'm seriously considering running a game at Origins this year. I have two ideas for a game that I'm tossing around. One is Where in the Multiverse is Carmen Sandiego, which will be set (at least initially) in FR. The second game is a modern d20 zombie game. I got the idea from this one after playing the board game Zombies!!!. So the premise of that one is going to be pretty rediculous (it's basically going to be B zombie flick in D&D form). I'm actually planning on creating the city with the Zombies game tiles as well. My question to all fo you is which game would you is which game seems like it would be more fun to you.

[daggaz]

For a game that acts as a window on the entirety of an entire campaign setting in all of its glory? Carmen Sandiego. But zombies do kick ass...