Finally got enough dry weather to tackle my blocked sunroof drains. Thanks Steve (Arctic) for your fantastic how to do, The front passenger side and boot drains where straight forward but drivers side (what a pig of a job) took longer than the other three put together, finally after a few scratches and very sore hands and arm because I managed to get my hand trapped between the accelerator peddle and a solid piece if plastic ( I don't know how I did it either
). My wife was very amused though when she found me arched over the door sill on my back with a very red face and my arm stuck up the back of the dash.
After I cleaned them I poured some water down the sunroof drains and saw a satisfying run of water from behind both plastic inner arches. Now I need to fugure out how to dry the carpet.