Flashlight on improves hit registration. The recoil for the ak is up and to the left so counter down and to the right. If you really want to do well having top of the line headphones and sound equipment is as if not more important than having a good computer. (And I mean stuff that is actually good not some bs "gamming" sound shit, I mean audiophile grade(see headfi.org)) I use a higher sensitivity than most players so that I can react faster, your better off with a steady hand and a fast mouse than a slow accurate mouse in an inaccurate hand. Learn the timing, in a lot of games there is a rhythm to particular maps learn this and you will know when to do what. It helps if you try playing music when your gaming to learn what type of music matches with a given map. Then over time as you learn the rhythm you can turn the music off and the sound back on and take your game to the next level. I have been doing this to improve my NS skills and now I am often one of the top 3 or above players in that game. I also used to do this in CS:S all the time when I played in CAL. Always make sure your rates are perfect and your fps is never <100.