Hmm... most titles from Atlus could use a nice x5-x10 multiplier. And most games from XSeed and Marvelous, for that matter. I'd also not mind Fire Emblem games getting a nice boost.
Granted, I can also think of some games I'd like to go in the other direction...
-dunno001
-On a quest for the truly perfect game; I don't think it exists...