Anyone looking for great quality sounding headphones should really consider these. The AKG K712 provide a great soundstage and are excellent to use when gaming.
Keep in mind that these are $839 at Store DJ
These AKG headphones are advised to connect through an amp to provide the best sound quality. If you're on a budget and want a quick solution to plug into your computer, i'd recommend checking out the M-Audio Air. The M-Audio also doubles as a USB hub, which is handy.
Otherwise if you have a bit more to spend, the better value/money option would be the JDS Atom
From amazon:
MASTER THE SOUND for precision listening, mixing and mastering The K712 PROs are reference, open, over-ear headphones for precise listening, mixing and mastering. The over-ear design s maximum wearing comfort for fatigue-free mixing and mastering, while providing spacious and airy sound without any compromise. Their precise powerful sound results from improved low-end performance by 3dB. Being hand-crafted in Austria, the K712 PROs represent the high quality and legendary design AKG is known for.