SystemFiles' Counter-Strike: Global Offensive cheat really is the all-in-one package. The cheat is very customizable, even lets you decide what you want the colour of the ESP to be. It has a warning system, like most cheats here, which is very smart and helps you on the verge of impending doom (death). The crosshair is, too, very flexible - you can choose between a dot, a cross or a T-Cross. I personally favour the T-Cross and I find it exceedingly useful minimum size.
I have had no problems with this, it is great! (If you do decide to check out this cheat, look at my config in the GO customer forums!)
In conclusion, the CSGO cheat is very user friendly while being advanced. So if you need an edge over your opponents, this is the cheat to get..