I've just ordered the expansion from the guy in germany, and will post to the forum with how i get on with it, in case anyone else is interested but wary of losing money.
now all i need is someone to prodce a new acellerator for the 600 and i'll be happy

Matt_H wrote:
Someone in Germany just put these back into production. See this story at Amiga-news.de.
Alternatively, try Softhut. I got one from them a few years ago. Not cheap, though.