I like that article, it's a nice non-judgemental view of the serious hurdles that are ahread for the Blu-ray format, and an honest opinion that things are, and could continue to parallel DVD adoption numbers, but only if Blu-ray stays vigilant about the format with decreasing hardware and software prices.
As is always the case, it is these early players and movies that cost the most and work the worst. The PS3 being one oddball exception, yet isn't exactly a cheap exception.
If you know (or care) about video production, then you will know that most of the process of making a great video is about having the right software tools to allow you to do this. DVD has a TON of excellent tools available to studios to master DVDs with great menus and transfers. Blu-ray still has a long way to ramp up to match DVD, let alone to start taking full advantage of 2.0 and 1.1 BD features. I think it is at least two years before those tools will actually be in place in a manner that is really effective.
People may complain about Blu-ray Java, but it is a powerful tool and resource to be utilized. Yet, for many movies, if the tool set is in place to automatically use BD-J, then there is a lot that will end up becoming 'standard' instead of 'really nifty' in the near future. The 'really nifty' will be reserved for blockbuster movies that deserve that extra level of treatment, and I am sure we will see more and more of this as sales continue to increase.
Right now, spending $50,000 (wild guess, not a real number) to get a movie authored and mastered on Blu-ray is fairly significant... In a few years, investing two or three times that number may be considered 'normal' for big budget films, and low budget may sit at that $50K number.
I really am hopeful for the BD format moving forward against DVD, and to see what impact HDDL may have against it as well. I am not so delusional as to believe that BD is a defacto replacement for DVD... I was far more sure about it besting HD DVD, but not nearly as much with DVD. But, I know that the movies I have I truly enjoy the quality which is brought to the table by Blu-ray and am hopeful they will continue with the strong marketing push that has occurred, and the continued and growing CE and studio support.
DVD-A/SACD my left buttcheek - this is nothing like them.