Well, I've got it!
What an upgrade is that receiver. One bad thing about it is when the fan goes on. I thought the receiver didn't have one, but it is build in inside... And yes. If it's on, you hear it...
The DVDs player lets me down a little bit. It had/has problems with it's playback. Even original cd's gave problems. After cleaning the lens it became better, but still. The thing gives problems.
When it all plays... What a wall of crystal clear sound. It is more than enough to drive my floor standing speakers. They recommend amps between 25 until 100 watts or something. Anyway, the AG-H550 does not have any problems with the M52's. Other floor standing speakers could perform different of course... Well, the set is a big 'plus' for me!!!