Bought for 2400. 2 years of experience with Razer Nagi. Due to the low quality of the nagi, I decided to switch to the g600. In WWII, I set up the same interface as the Razer Naga using bartender4 + castbar addons. The interface turned out to be one to one, but much more functional and without glitches. Advantages: very comfortable left click button (and right click), very comfortable "wheel" button. Heavier razer naga is a big plus. The G-shift button provides simply unrealistic functionality, but it takes some getting used to. The dynamics of the mouse is more comfortable than that of the Razer Naga. Reviewed on the first day of using the g600