My apologies to those who PMed me, and who I'm only getting round to now. (edit to add: a ball of my PMs were marked read at some stage, presumably by me, so some of your queries are over a year old-if you did get in touch apologies again, and if you still need info, drop me a line and I'll try not to be *quite* as slow in coming back to you)
My supplier, (it was a self install), has ceased doing domestic work, and are now concentrating on the commercial side of things. As I assume they may still supply the gear, I can't name them here, but I'll PM those who contacted me in the hope that they'll get the same great service I did.
I had a couple of issues down the line, unrelated to the install, or the quality of the equipment supplied, and they could not have been more helpful.