This headset can be purchased from Mighty Ape for only $125 for the rest of the week during Mighty Ape's Winter Sale.
From all reviews, they are an amazing, value-for-money headset for xbox 360 which greatly improve the gaming experience.
Link: http://www.mightyape.com.au/product/Xbox-360/Tritton-Gears-o…
Reviews
8.5/10 from IGN - http://au.ign.com/articles/2011/09/22/gears-of-war-3-dolby-7…
9/10 from Gaming Bolt - http://gamingbolt.com/tritton-dolby-surround-sound-gears-of-…
4.5/5 from Gadget Review - http://www.gadgetreview.com/2011/09/madcatz-gears-of-war-3-d…
Competitor Prices
$180 from OzGAmeShop - http://www.ozgameshop.com/xbox-360-accessories/tritton-ax720…
$160 + Delivery from Amazon.com - http://www.amazon.com/Gears-Dolby-Surround-Headset-Xbox-360/…
$220 + Delivery from Amazon.co.uk - http://www.amazon.co.uk/Gears-Tritton-Headset-Dolby-Xbox/dp/…
$220 + Delivery from Cd Universe - http://www.cduniverse.com/productinfo.asp?pid=8570199
So does this use a USB port? Then does it also work on a PC for other games too?