Here is list of mice with flawless sensors: https://docs.google.com/spreadsheets...Zcg/edit#gid=0 Here is what cs go pros use https://docs.google.com/spreadsheets...iy8/edit#gid=0 and https://docs.google.com/spreadsheets...gid=1762004852 I suggest get a Zowie and a big mousepad not 4000 dpi (which I don't think any sensor can handle properly anyway)