The HD5850 just dropped to £195 on amazon, this is probably because of the release of the HD5830 coming but the HD5830 is more expensive the HD5850 wtf ...
http://www.amazon.co.uk/Sapphire-HD5850-GDDR5-Graphics-Card/dp/B0036QFVSG/ref=sr_1_1?ie=UTF8&s=electronics&qid=1267478316&sr=1-1
http://www.amazon.co.uk/Sapphire-HD5830-GDDR5-Graphics-Card/dp/B003AIKC8E/ref=sr_1_2?ie=UTF8&s=electronics&qid=1267478228&sr=1-2
http://www.amazon.co.uk/Sapphire-HD5850-GDDR5-Graphics-Card/dp/B0036QFVSG/ref=sr_1_1?ie=UTF8&s=electronics&qid=1267478316&sr=1-1
http://www.amazon.co.uk/Sapphire-HD5830-GDDR5-Graphics-Card/dp/B003AIKC8E/ref=sr_1_2?ie=UTF8&s=electronics&qid=1267478228&sr=1-2