Couplers seem to be a very personal choice. Just about everyone has opinions on what couplers to use, for their pleasure. Each has their reasons for choice. Usually their choice is based on cost, on their skills, and on their friends' choices. Coupler choice has been a never-ending debate, not only for you guys "Across the pond", but here in North America too. I imagine we might as well include the rest of the known World also. Choose what you like, and have fun...it is entirely up to YOU...but please choose wisely, with a fair amount of research, and testing by purchasing a pair of (For example) Kadee couplers, and try them out (Mounting them properly). Try mounting one, on the end of each of two cars (Wagons) and test them out... ENJOY...
Fred Mills