Dell Outlet [1][2] typically has offers over and above their usual array of discounts. I'm holding off on a laptop purchase until tomorrow (Thursday) when their deals are announced. They had an email signup page for BF deals but I can't find it right now.

[1] Dell Outlet Home: http://www.dell.com/uk/dfh/p/

[2] Dell Outlet Business: http://www.dell.com/uk/dfb/p/

(Disclaimer: not affiliate links, I have no connection to Dell, their products or services.)