Thanks to those who have given advice. In the end I've ordered an MV fitted Robinson from ALS who were very helpful and even gave me a small discount on carriage which was very nice of them.
Currently half watching Koyaanisqatsi as I type and sort out bird records. Philip Glass's music is wonderful but the images are superlative.
Thought I'd fixed the lighting problems, at least I found which fuse it was but unfortunately it's decided to be bad tempered and keeps blowing, electrician time I reckon.