Yes i use the mx518, and i am a low sense player, to the point of only doing about a quarter to a third of a turn in game with a full 12 inch swipe of my mouse. I play Enemy Territory and require extremely tight control to get those headshots and i LOVE the mx518, the software is great, you can disable mouse accelleration etc etc to keep consistency accross the board, i highly recommend the mx518. My left click did wear out as well after about 8 months use, but I didnt think this was abnormal because i am an avid player, so this was probably 800 - 1000 hours of gaming or more on that mouse, and logitech replaced it without even thinking about it, and didnt require me to send it back, so i cracked it, resoldered the spot that wore out with a new, now i have a spare, i wont use anythign else =)