A bit OT perhaps, but I'm a massive Civ fan. Sadly, Civ 5 was bitterly disappointing for me.
Nearly everything that made Civ4 a great game has been pared back, and what remains is a shallow and meaningless turn based strategy game where everyone seems at perpetual and inexplicable war with everyone else. Corporations, espionage and religion are the main things that I really miss, but also the way that the Civ4 leaders all had a personality. Now it's just like a 10 player (or whatever) skirmish mode with leaders you couldn't care less about and faceless city states that act as nothing but speedbumps on the road to domination. It's lame, really lame.
Graphics are sweet, hexes (instead of squares) are good, one unit per hex combat is different (not bad per se), the rest is absolute dumbed down rubbish.
Bah, it's like Civ for console kiddies.
To have AI War mentioned in the same sentence does a disservice to a game as cerebral, innovative and re-playable as it is. AI War is many times the greater game in my humble opinion.