This week, we were treated to the tantalizing prospects of a Grand Theft Auto IV MMO, a BioWare-produced KOTOR MMO, and the resurrection of Star Trek Online. But there are plenty of other possible titles and franchises out there that could use the MMO treatment. For this week's discussion, we want to know:

What game, series or fictional world would you like to see become an MMO?

I'll cast my vote for an MMO based on EA's skate. How about you?