2015. /Rolleyes, no sense rushing into it guys....http://www.hdtvtest.co.uk/news/4k-xmas-201409053901.htm
A BDA spokesperson said on the IFA showfloor that the organisation aims to finalise the specifications for 4K Blu-ray disc by the summer of next year, with physical discs and hardware devices capable of playing this new format potentially arriving by Christmas 2015.