Give dampertech a ring.
Despite the entire world (even my mum
) using email, sometimes a quick call is all it takes
They seem to do a pretty good price, even including shipping.
Or - check ebay, someone is doing matched sets for the Roadster - EDIT - it's OBP
link to haynes roadster shocks
I've never used them, but others on here have, including shipping to Australia, so Holland should be no problem