Creative Sound Blaster X-Fi Titanium Fatal1ty Champion
http://www.amazon.co.uk/dp/B0019JDDF0?tag=dedik-21
Feature
* Works with PCI Express equipped PCs
* Clearer voice chats for better voice communication
* Accelerated audio for unbeatable game performance
* Accurate 3D positional audio - even with normal headphones

http://www.amazon.co.uk/dp/B0019JDDF0?tag=dedik-21