This looks to be a fascinating innovative audio and video experience that I have not yet experienced. The performances are recorded in high-resolution (24-bit/96kHz) PCM sound.

http://www.stereophile.com/news/naxos_blu-ray_breakthrough/

It is available now, eg at:

http://www.prestoclassical.co.uk/search.php?searchString=Virtual+Haydn

http://www.amazon.com/s/ref=nb_ss?url=search-alias%3Ddvd&field-keywords=Virtual+Haydn