Aye, not bad at all for £40 ish, and the D14 is a beast of a cooler.
A couple of things - the first page doesn't mention it supports socket 1156.
Also, you say you used Xigmatek fans - was this two fans as push/pull on the heatsink? It's a little ambiguous, otherwise great succinct review. Liked the Essex joke, isn't this the second now? You must have been talking to Jim too much, he hails from Essix like me dont he? ;-)