I honestly think people should stop buying the new ones coming out, the only good thing I saw about MW3 was the survival.
Try playing on pc. I can't get into a lobby without either.
1. A aimbotter/Waller
2. Level Hackers
3. 2/3 bar connection.
The game is so easy to hack, you just need 1 program, click 3 buttons the. You can be whatever prestige/level you want.
It is in whole.
A piece of shit.
I played it for a while on xbox. Its pretty bad.
The maps are really poorly made, the spawns are terrible, the campaign was like 5 hours even on harder difficulties and the horde mode is only 2 player.
Call of Duty 4 is still a lot of fun and pretty much beats MW2/3 in every way.
I play it on xbox and don't really like any of the maps except for Dome. Campaign was pretty good though, even if it was short.