Not an amazingly good deal but still the cheapest online.
Reduced from £59.99 - The site is currently holding a sale.
(I couldn't find the SALE end date on the site so please ignore the 'Expires' date)
I was looking for a good alternative to the stupidly expensive TurtleBeach headsets for Xbox 360 and I found these, which have very good reviews written about them.
They definately look the part so have ordered a pair for myself today.
Other sites sell these in the range of £50-£70 before postage.
Hope this is useful for you Xbox 360 fans out there.