http://www.golfgtiforum.co.uk/index.php?topic=188847.0Basically I bought them and I love them.

Some things to note:
- If you're outputting in HDMI then you'll need to run optical audio from the TV to the base unit, unless get an adapter (less than a tenner) to run the optical from the Xbox alongside HDMI, which i believe improves sound response
- The bases unit processes optical audio as 5.1 or 7.1 but the headset only simulates it (as its only a stereo headset), albeit very well. Certainly useful on battlefield, you can hear enemies creeping up behind you

- IIRC this is common on wireless headphones but there is a slight static noise a low sound levels, but you don't really notice this in game.
- The base unit can
apparently interfere with your WIFI signal if placed close to your router or wireless adapter. I've had no experience of this though.