This does depend a bit on what you want. If you want to use 3.5mm jacks or a USB head set, 2.0, 2.2, 5.1, 7.1 sound profile. I personally like to use 3.5mm jack I find the sound quality is higher though they will not get as loud. and I prefer 2.0 or 2.2, I find you get 2/4 good sounding speakers as opposed to 6/8 lower quality ones at the same price point.
I personally atm have a Razer Tiamat 2.2, the sound is good and the mic is fine but the build is light, make it light on the head but you really don't wanna drop them cause it will probably cause some damage.
Also ear cuff size matters a lot for long play time.