You've still yet to back any of your points or sensibly counter any of mine.
Infinity Ward over Treyarch because of how bad Black Ops was. Awful hit detection, awful lag, ruined sniping, awful maps and the AK74U/the perk ghost. World at War in my eyes is still a much more balanced and enjoyable game than Black Ops or MW2.
I don't rush or camp. I rushed in MW2 because the game was geared toward fast gameplay, MW3 is geared toward cautious gameplay/crutching the weak. I move, a lot, but rushing is something I seldom do. Before (On CoD4, WAW and MW2) if I ran in with a shotgun at point blank I'd beat down anyone camping with an AR, now with sh!t like the Type 95 I can get two shells out and still end up dead because of the ridiculous 165 per burst damage of the 95 in close quarters.