Gaming headphones are shite....get some sennhieser 555s or 595s and a seperate clip on mic.
I am now immersed in surround sound (5.1) from my 595s ( stereo headset) and the sound quality is awesome....i had some 5.1 sharkoon headphones which i thought were the dogs till i bought these.....no comparison.....the bullets whizzing past your head and the bass from the grenades that go off is incredible.
I also got me a xi-fi soundcard for £43 off the bay to enhance the sound even more.