The various PAL discs come up for sale from time to time at ebay.co.uk - in fact:-
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=61076&item=6311996281&rd=1&ssPageName=WDVW
I received my Magnolia pre-ANH Star Wars dvd today (cheers Rik ) - am well chuffed with it - just to see the opening crawl changes is very strange (in a good way).
Well worth getting.