I ordered the mouse in January 2014. My first impression was good. Then I used the weights and was a bit disappointed the first time. I think it would be more difficult, because my mouse is too light despite weights.
Then I connected the device to the PC. the bright colors have pleased me very well. The user software is clear and extensive. Very good, I like that you really can adjust everything individually.
I then until March 2014 had the mouse into operation until the first LED DPI indicator has stopped working.
I have garment to the armature support and described my problem. Within 24 hours I got an answer, in the stand that without me, that for me costs arise, a replacement unit will be sent. Within 3 days, the new mouse was already there. There is a big +
Conclusion: A proper gaming mouse it is not my opinion. But for the Wochenendgaer perfectly adequate.