Actually bout ne good mouse ...

... But under OS X software is a disaster.
Although you can create different profiles and assign these profiles then certain programs / games, just not interested the mouse at all. Assigned buttons do not work or do something else entirely. When testing the profile within the software and presses the button, then a button is quite like displayed as two functions at once. The same then happens of course in the game, which simply can not be. The mouse is therefore virtually unusable with other key assignments.
Since the Razer software is better many times, also seen as if a switch profile. Just a pity that the mice are not as good as this one. But what brings it, when the mouse is unusable because of lousy software ...

Then there's the feel. The "rough" surface is smoother than one might think at first. Handy is something else, in the hustle and bustle, the mouse can then also already slipping times ...