Moviemail are selling the blu ray for £17.99 plus 7% Quidco (£1.25) which gives a total cost of £16.74. Or you could buy from 101cd who have it for £16.80 but there is no Quidco. Great deal considering the cheapest you can get the DVD version is £15.89.
Set after the events in Terminator 2, Sarah Connor (Lena Headey) and her son John (Thomas Dekker), now find themselves alone in a very dangerous, complicated world. Fugitives from the law, they try to stay under the government's radar as they plot to destroy the Skynet computer network in hopes of preventing Armageddon.