I'm also a new(b) poster (lurked a while)...so take my untrained ears & statements with a grain of salt. my only audio experience is live sound & recording studio....home theater = i have no idea.
I recently upgraded to the 606 from a Sony I used to have.
My configuration (hdmi end-to-end): PS3 --> Receiver --> TV
I only have 5 speakers at the moment and they're old, crappy KLH wal-mart/best buy specials (don't remember where I got them).
After I got everything hooked up where I wanted them, i ran a series of "tests" to familiarize myself with the unit (volume @ 40 for all of them).
BD selection #1 (TrueHD 5.1) - Iron Man. Chose this one b/c of the opening convoy scene. There were good dynamics...but missing lows...a LOT of the lows were missing...was almost wondering if my sub was getting any juice (it's also a crappy KLH from same HTIB system). The Sony I had had a "bass boost" on it, and we were still able to get a bass presence on the same player & movie. I never ran any official frequency tests, but my guess is that the Sony @ my settings was hitting down into the 60-80hz range with the boost on vs. the most likely 100-120hz range w/ the 606 + Iron Man. So far....wasn't very happy with what I was hearing (i like my explosions to be felt as much as heard....if the cats just look up and not run...something's wrong LOL).
OK....now that I'm hating this system b/c the response isn't what I'm used to...i started playing with it. I had the manual handy, but I'd rather learn by using nature's gift (hands & ears :P ). FIRST thing I did was run Audessey afterwards.
Played the movie again....much better dynamic range for the room....but still weaker on the bass than I'm used to. Frustrated, I go & get a different movie b/c I'm curious as to what the "problem" is (most likely, the person setting it up...aka me).
BD Selection #2 (DTS-HD 5.1) - Quantum of Solace. HOLY CRAP!!! Now I finally hear what the system's supposed to be able to do (if even thru crappy speakers). Dynamic positioning of the surround mix was amazing & crystal clear, bass was a lot more prevalent, etc. Loved it! (that & I like the new Bond).
Overall I'm lovin it. I'm sure once I get better speakers, it'll come alive a lot more (as soon as I find some under/at $400).
This may not be the right place, and if so, I apologize in advance....
Coming into the 606 from a PS3 - Bitstream or PCM in the PS3 setup? Everything else I have set to passthrough/direct. I'm presuming the codecs/processors in the 606 is better than the PS3.....would it be best to have the 606 continue to do the upscaling or whatever or have the PS3 do it internally?
I have other questions, but still trying to find the discussions on them (TrueHD vs. DTS-HD for example). I understand codec speak, even if I dunno the science behind them.