http://www.scan.co.uk/
http://www.novatech.co.uk/
http://www.ebuyer.com/
http://www.microdirect.co.uk/
That's all I remember, will post if I get anymore.
1) What will you be doing with this PC? Gaming? Photoshop? Web browsing? etc
General computer use (web browsing, etc), photoshop & gaming occasionally.
2) What's your budget? Are tax and shipping included?
My budget is £200-£550 (incl tax, not shipping)
3) Where do you live?
I live in London...