A big decision I know but quite reversable if you change your mind! I think you get a lot from your research, writing and experimentation - as do we all. Spare time just can't be bought when you need some. Who knows what is around the corner.
Not sure yet what will happen to the website - but I would like to put up some kind of 'legacy' page where past customers can still see the reference material for their items (meanwhile, you can still browse the Catalogue).
Thanks again everyone for your support and good wishes.