hmm you could probably get a used pair of AD700's in the for sale/trade forums. I'm not sure if Amazon.com will ship to the UK but that $91 is approximately £56 + postage which might work out about £70-75, hoping you don't pay customs.
Other options would be Sennheiser HD555's they are not bad at all for a start.
I forgot to mention the Goldring DR150 they are cheaper than the sennheiser hd555's to which they've been compared with, some prefer the goldring DR150. They are cheap about £40
Like the AD700 they all require mic's. They are lower end audiophile headphones but people regard them a lot better for gaming then the so called "gaming headsets"