Tassie - thanks for the info. I look forward to more. Hopefully I can soon add my own comments when I get the time to review my recently purchased CD and Bluray operas.

Here is a worthwhile link to a quick great intro to what's available in classical Bluray, including some comments:

http://www.prestoclassical.co.uk/

Search for "Bluray" in the top left corner and note there are pages of results to explore.

Enjoy