LowViz Lurker- I just happened to be in Tokyo last week and stumbled onto this thread after searching for 30th anniversary toy sightings. Totally didn't know about this boxset and took a punt and purchased it. Just got back to Australia today and can confirm the BluRay set works on an Australian Slim PS3 - so happy hunting :-)
(Thought I should join the forums and post my experience seeing as this awesome thread led me to a legit copy of one of my favourite anime properties!)
Bub- I found my set at the LABI store in Shibuya amongst the PS3 games