Just got an email from CDJapan:

BIBF-8460
Movie (Prince)/Prince: Sign 'O' The TimesHD Remastered Edition  DVD
3800 yen US$38/103.64  Release Date:2014/06/03
Description:DVD release of a film "Prince: Sign 'O' The Times" features HD new 
master. Comes with a leaflet.
URL - http://www.cdjapan.co.jp/...=BIBF-8460
-----------------------------------------
BIXF-130
Movie (Prince)/Prince: Sign 'O' The TimesHD Remastered Edition "The Sign" Box 
[Limited Pressing]  Blu-ray
6800 yen US$69/103.64  Release Date:2014/06/03
Description:Blu-ray release of a film "Prince: Sign 'O' The Times" features HD 
new master. Set contains an original outer case, a 32-page photo book, a 12-page 
description, a cardboard sleeve, an obi, and five postcards.
URL - http://www.cdjapan.co.jp/...Y=BIXF-130
-----------------------------------------
BIXF-131
Movie (Prince)/Prince: Sign 'O' The TimesHD Remastered Edition  Blu-ray
4800 yen US$48/103.64  Release Date:2014/06/03
Description:Blu-ray release of a film "Prince: Sign 'O' The Times" features HD 
new master. Comes with a leaflet.
URL - http://www.cdjapan.co.jp/...Y=BIXF-131

iZsaZsa said:

Pray tell, is that March 6th or June 3rd?

June. Japan don't use the silly Americanism. *runs and hides

NouveauDance said:

I bet this is the same master that's put to blu-ray in Australia. The same one that was formated for cable television in HD (and was used for the downsampled Canadian DVD).