Used this rodent for 5 years. In general, it is quite comfortable, practical, it is convenient to run in shooters (CS, UT, Quake), it is large in size, with full coverage of the palm. But the sides of the mouse, the worn appearance and the lack of backlight settings prompted us to think about replacing it, moreover, with a branded and expensive option. For 1000-1300 - an ideal choice. There were two X7s for a similar price, which lived for 2 years each, but the scroll broke.