I want to add my recommendation to the many that are already on here. I don't expect Ian's blades to work miracles, but I'm sure they are probably the best I can get.
He obviously has a deep knowledge of the production side and it is comforting to know that most of the steel in the blades is UK produced. The tooth configuration is to Ian's design, so the coil he orders for each pitch is as long as your road!
I'm most impressed with his customer service. Not just a call returned within 20 minutes but a 10 minute discussion of my needs (in that rich Welsh accent) and then 4 blades sent off and received quickly but also an extra 4 tpi supertuff premium included free, gratis and for nothing to try out. All of this on trust that I will pay by cheque by return.
No wonder he has so many satisfied customers. Long may his business prosper!
Brian