Don't get too hung up on internal component specs and perceptions of quality....as a matter of fact, don't get too hung up on specs at all. The rotel and high end Onkyo/Integras use good components as do the phantomware boxes (997 and Emotiva). There will be ongoing techie fights between trinnov and audyssey, or Reon vs ??? and the fact is that the only thing that should matter to YOU is the sound in YOUR home.
You would be well advised to compare functions and major differences (Audyssey or no Audyssey) or no THX if that's important to YOU.
It's too easy to raise questions like which AC cord should I use, what speaker cables should I use, what interconnects should I use....and unless you are listening to acoustic (e.g. classical) music in an absolutely quiet space, it's unlikely that you will notice a difference. If you are a concert violinist, perhaps....but let your ears make the judgement...not your eyes and please, not the internet or this forum.
You would be well advised to compare functions and major differences (Audyssey or no Audyssey) or no THX if that's important to YOU.
It's too easy to raise questions like which AC cord should I use, what speaker cables should I use, what interconnects should I use....and unless you are listening to acoustic (e.g. classical) music in an absolutely quiet space, it's unlikely that you will notice a difference. If you are a concert violinist, perhaps....but let your ears make the judgement...not your eyes and please, not the internet or this forum.