I just wanted to tip on a few good pages for reviews of Blu-rays where they look at the image and audio quality as well.
http://www.blu-ray.com/
http://www.highdefdigest.com/
http://www.dvdactive.com/home/index.html
There are lots of good information on these pages and I usually check all three before deciding on buying a BD. Even though it is a BD the quality sometimes sucks and doesn't warrant an upgrade from DVD. One example that I have found e.g. the first edition of "The fifth element" is terrible whereas the 2nd (and latest) is far superior. It is worth to check it out imho.
Good call. I had the first one but the other two are new to me. Thanks.