I have this mouse now already about 1 year, and it makes me well. Setting the sample rate is practical and works, but the button is mounted for a bit stupid, I think. It happens namely like to, that it comes by accident, and the sensor at slowest stage is, and the whole then in the middle of a party of a fast Shooters ... impractical)
But what really is the hammer: the ridged scroll wheel!
It may still so smeared otherwise wet, greasy, or what, you always have firm grip.