Thanks for this Shogun!
Personally I wouldn't recommend Quarry Motors. The "service" I had from them was completly bollocks, cost me money and a lot of time for zero outcome on several occasions. Others may have had a better experience with them but IMHO they're a complete bunch of w*nkers.
FirstChoice is supposed to contact all breakers on their lists and they will get back to you. Tried these a few times with no joy.
I haven't tried QCD.
There is also Sherewood Breakers: http://www.m3spares.com/