Sorry for the very late reply Rich I didnt see this till just now.
I have thought about the shorter dogbones but I dont have a welder so not a cut and weld situation. Following some advice on forks the cbr600 f3 forks (I believe) are 41mm and have full adjustment so I may well go with those although I do have a bottom yoke for a gsxr750. With Christmas just gone funds are an issue atm so Im going to be looking at these upgrades in the coming months.