Quite impressed with the quality of sound, nice balanced output, not to bass heavy and good mid/highs. There is a pleasant sound stage with these over my older logitech headphones which I felt were pretty good. Positioning targets in game is great and it feels easier to gauge target ranges with these headphones over my old logitechs.
The new memory foam pads feel very comfortable and provide a good seal for the sound. I was worried about sweat because I usually prefer cloth pads but these have been good so far, my ears don't feel hot and the pads breath well for pleather.
Build quality is excellent, very solid feel and nice metal frame, nice understated looks too.
My only complaints are due to the cable, it's quite a thick cable and not braided, so it doesn't bend easy. Also the cable length is too short for using rear audio outputs on your PC, I had to use an extension to get it to work in my desk setup. It would be nice if they included a 1m splitter run for PC, the splitter provided doesn't extend range.