I switched from the Logitech G502 to G100S for reference. It depends on what games you play. For FPS games I recommend a light Micw with good Sensor's, no thrills. For again, reference, most CS:GO Pro's play at 400 CPI/DPI so you don't need A 12000/6000 CPI/DPI Mouse. For MOBA's your Dads Trackpad will suffice (You can't really fuck it up), For MMO's the ones with the most buttons. If you are fairly casual don't spend too much, after a few Mice you'll know exactly what you want. Last note don't skimp on the Mouse Pad the bigger the better. and black usually tracks better, Good luck ;3