Erratum - err I was misinformed by the internet . It appears that these may now be discontinued in the US, but having contacted the company direct thanks to the input from the Nige & Derek. They have informed me they ARE still supplying to the UK via:

Edgar Brothers
Macclesfield, Cheshire
Tel.: +44 1625 613 177

thanks for all the information guys....

Yours more confused than ever!

Linnet

ps Seriously you've been fab and I have a good short list to try and locate to have ago with and make that final decision. Many thanks again.