User blog:Kiyuhito/K-ON! (season 1) Blu-ray box to be released in Japan

http://www.tbs.co.jp/anime/k-on/

March 5, 2014. Price: 26000JPY (without tax)

New booklet, New Radion! Special CD, New audio commentary.

EDIT more detail http://www.fandompost.com/oldforums/showthread.php?26630 http://www.neogaf.com/forum/showthread.php?t=541134&page=311