they normally go for around 300 quid.
And I should assume they wire str8 into a Valve as they were available as an option in the UK (as well as the rest of Europe).
Let us know how you get on - as I've found a couple of Digifiz's in Germany which sound cheapish
you found my searching spot

I also have a mate stationed in Germany who is supposed to be hunting me up a set. That one set is going for about 21 euros (about 12 quid!) gotta be a catch though. I emailed the fella and he didn't return the email. if they are that much work to hell with it.