The Roccat Kone Pure performs really well. The precision and sensitivity are very good, there's no acceleration and the lift-off distance is only 0.95 mm after calibration. The grip lends itself to low-sense gaming. The software is comprehensive and you can combine the mouse with a Roccat keyboard through the Roccat Talk protocol.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips