For gaming, Samsung usually do brilliantly.
The Samsung A559 is going for £600 (40" screen size 1080p). The 37" version is also slightly cheaper.
You could try the Samsung A656 at 32" at around £650 if you're adamant on a high quality 32" tv, but like I said, SD wont be brilliant unless you are at a reasonable distance from the tv.
Also the Sony 32" W4000, which is meant to the bees-knees at the moment can be had for £700.
The options are there, as long as you go LCD rather than Plasma, and you should decide how much you're willing to spend, and what to sacrifice, tv size or tv quality.
You can use
http://www.stockchecker.co.uk for the latest prices on a tv.
Feel like ive hijacked your thread, so im gonna leave some recommendations for other members to put forward too.

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