I now have brand new DSP cards available:
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=110609692679&ssPageName=STRK:MESELX:IT
My machine didn't work when it was cold, turns out it was a dodgy DSP card that doesn't like the cold!
This is my listing. I can supply direct not through Ebay for £65 + VAT and delivery (and still offer 4 for the price of 3).
Alex Wilkinson
W Technology