I think all IxTx types can geek out just as much as NTs.Not to mention PC gamers have a stronger reputation for being geeks, going back to that NT stereotype.
m4d 5k1llz d00dBut as far as E vs. I, I would imagine that the main difference is degree of obsession. But in S vs. N, I would imagine motivation matters more (what they want their game experience to be like); for the S, it's probably more about the gameplay and being skilled. For the N, it's more about following the story and being immersed in a fantasy world which isolates them from reality.