I'm making a list of game-ready model shops, if you know another ones please tell me ^^ here's what I've found so far:
(alphabetically sorted)
3dbud.com
(fantasy characters - animals - monters) - <they have just updated new monsters and characters>
http://3dbud.com
3drt.com
(fantasy - scifi characters - animals - monters) <new zombie pack>
http://3drt.com
adenfall.com
(game objects)
http://adenfall.com
arteria-gaming.com
(game objects)
http://arteria-gaming.com
cubixstudio.com
(fantasy - scifi characters)
http://cubixstudio.com
dexsoft-games.com
(game objects - fantasy - scifi characters) <new cool fantasy characters>
http://dexsoft-games.com
frogames.net
(game objects - fantasy - scifi characters) <mmorpg character pack>
http://frogames.net
gamebeep.com
(game objects - fantasy - scifi characters)
http://gamebeep.com
game-stuff.com
(game objects - game levels)
http://game-stuff.com
