in the Nvidia control panel is the color settings desktop: Red, green, blue contrast, brightness, gamma. Uses or not uses this setting in these games?

Uses or not new games: Crysis 2 and TW:Shogun 2 the desktop color settings of Nvidia control panel?? I know that Demo Crysis 2 MP version not uses...
Who has this games please tell

Please tell how many peoples, servers are playing online in CoH multiplayer? I want to know to play online multiplayer..about how much the minimum and the maximum is now.. thanks.

I like games: TF2, LFD2, CIV .Next game to buy to play online??I already have BFBC2

In which of these games are more replayability and to think more? Going to buy to play online

Left 4 dead 2 or Call of duty black ops?

How best to partition Hard disk with two os for maximum performance and speed? How many partitions and Prog for partition?


I want to install on disc WD6401AALS:


Windows 7 , games for windows 7
Windows xp, games for windows xp
Films, music, games cds


in which sections?
Thanks

I do not need and I do not plan on SLI, then what? Need high performance and stability in dx11 and other games(crysis, bf, FC2)