I'm wondering what DPI is good for 1080p screens, because i don't want to spend much money because im buying a Razer mouse and high DPI mouses are much more expensive than normal DPI mouses. I want it accurate especially on games like BF3, BO2 zombies, BL2, Far cry 3. Its either the 3500 DPI DeathAdder or 6400 DPI DeathAdder