With the new Blu-Ray audio though, isn't it possible that there will be a much better audio track with producers upping the audio tracks because they can?
Anything is possible.
But, in my opinion, such a thing would have been more likely to happen with something like the transition from Dolby Pro Logic (matrixed, bandwidth limited mono surround channel) to Dolby Digital, or DTS (five to six discreet full range channels), than from Dolby Digital to Dolby TrueHD (five to seven full range channels, with higher sound quality). But like I said, anything is possible.
Also what about SACD tracks?
Not sure, I know of a few DVD-A disc's that have wild and crazy surround mixes, but SACD is often more subdued.
They reason I was asking this full sized rears question was that I read somewhere that it does benefit to have a 'matched' setup, and that when the speakers were 'tuned' that the better fronts end up performing to the level of the weeker rears. Any merrit to that?
It is true that any system will only perform well up to the capability of its weakest link, but you need to know how much 'weaker' bookshelf's would be to the front towers. For example, if the surrounds can only manage a peak SPL of 103dB, and the mains can do 110dB, how often are you going to listen to 5.1 material that has surround content at the same level as the mains at levels higher than 100dB?
The article on audioholics about the centre speakers and placing them vertically improves their performance. My next thought was why a special front? why not just use the same speaker as your mains? I also read and was mentioned in this thread about having the front trinity matching.
If you can afford it, why not? There is no reason why the LCR (or even all) channels shouldn't be the same. There are reasons why it may be unnecessary though.
Yeah, in this case with the Yam NS-777 they are 44'' tall. But if the video screen began just above that it 'shouldn't' be unreasonably high. Ist there a correct height for a tv anyway? I know what you mean about the neck
I believe the optimum is to have the center of the screen about at eye level.