Unfortunately this goes over budget, you can save £10 going with cheaper RAM which is likely worth doing, search around for a cheaper PSU and a weaker one and that should get you close to £400. Unfortuantely I have to head off so cannot refine the suggestions atm
Sorry I'm so late replying I've been having issues with my macbook
Thanks for the advice, looks good, I'll contact my friend and see if it looks okay with him (although he knows even less about these things than me )
He had some problems with the ema bonus being cancelled and nobody telling us, so has only just got enough money to be able to buy it (£340). So with this being the best part of a month after the original purchase date, and the graphics card no longer being sold from the linked website, I am posting to ask for any changes people would make to this build, and a link to a new graphics card or a new link to the same graphics card at a different website.