Dunno what y'all are on about, but I've been playing XCOM, and trying to have enough fun to make up for the extra $7 I paid for it.
It's got a lot of layers, what with the base building, soldier training, and whatnot, and they're deep enough to be worthwhile endeavors. Not so impressed with the combat right now, though. It's endlessly annoying that enemies get a free move once you happen upon them, and the cover system is straight-up broken (you can shoot through walls, no questions asked).
Assault, Heavies, and Support troops all seem really useful, and have cool abilities. Sniper, less so (at least, so far).