Now that you say it
I think MW1/MW2 have the same graphics
BO's graphic is just a little bit fancier
Compare MW2's winter map(s) - never took a look at it's maplist, I don't know ._. - and BO's Summit.
"What. I thought I'm playing Black Ops? .__.; "Another thing, have you heard that song
"Cupcakes" by Futret?
You know what trash metal is? If so, I would call that song's musical style
"trash techno".