1 .: ergonomics: Adaptable to the hand length, so far I have become glucometer only with the Logitech form, because this was perfect aufanhieb, now the mouse my hand fits: 5 stars!
2 .: keys and access: 7 function keys for the thumb, which was the Kaufagument. After a short settling-in period I have so 7! Macros on hand and am almost no longer rely on keyboard macros thus raid and never a danger to press the wrong button, because I have just the attacked once or accidentally got caught 2 (large hands and fingers). The thumb button down is somewhat sluggish, or does not have such a clear pressure point, so here is no absolute time-critical Spell. The 4 directional buttons of the "coolie hats" work just like the two buttons located at the top super fast and have a clearly defined pressure point: 4 stars
3 .: precision: Like I said, they've screwed something down for WOW and therefore the resolution. With my desk (wood surface clear lacquered) sometimes trembles a little bit, so still looking for the right pad, or have currently just a white sheet. For work and WOW, strategy, etc. absolutely sufficient for Shooter: na because I would resort due to its weight and the cable here to another mouse and they have also not been tested. Search still on Pad einm convincing.
So all in all a class mouse, if you really know what you want. So not a panacea, but top of my field of application, therefore prefer 2 mice depending on the case, but each in their area 1A! Besides, who also runs on nem Convertible 220km / h and is annoyed by loud wind noise?