Stereo pre-amp with AV processor?

Thanks @theo ,

Since there is no key technical difference other than the improvement of a dedicated system for 2 ch, I will try to find a way to audition the 2 cases side by side and hear the difference...

The stereo pre-amp that I am considering is $4k, so if not necessary, I other things on my wish list that may make a bigger improvement to the overall experience.

I wish to buy a multichannel DSD DAC, Kaleidescape, etc...

On another note, what brands/models of 2 channel pre-amp would you recommend?

Thanks @theo , @audiotroy 

I will tell you more about my case, maybe whenever you get the chance you can share your insights about it.

I have a Denon X8500h, Paradigm Prestige 75F (fronts), 45C (center), 15B (surrounds), 7x Millenia Ones (2 surround back + 5 heights), and 1x SVS SB16.

This setup is awesome for movies, I am so satisfied, and to my knowledge it as a great sweet spot of value for money. I assume that further upgrades would costs much more money for marginal quality enhancement.

For music however, I am not at that sweet spot. I think there is a big room for enhancement, which comes at a cost for sure. I am considering the following:

Speakers:
I want to upgrade my fronts to Persona 3F. I am a big old Paradigm fan, and I assume it will bring a significant upgrade over the Prestige 75F.

Amp:I also assume the Persona will need an amp much better than the AVR's amp to show it's best capabilities. As a Paradigm/Anthem fan, I was thinking of MCA225, P2, or STR.

I am ignorant about all the other fancy brands like Macintosh, Krell, etc... I once heard the Macintosh on B&W and Paradigm, and it was incredibly good, but that's all I know.

Pre-amp:
I have plans to replace my Denon AVR with Anthem, because I am not happy with Audyssey. I hear lots recommendations about ARC, I like the idea of different room correction profiles.

I am hoping that a flagship AVR, MRX1120 or Denon X8500h, can suffice and double as a stereo pre-amp. And instead of paying for a dedicated unit that does a function that I already have, I would invest in a high quality dac for example.

If I am not mistaken, this is the only way to get multichannel music, which is something I like...

These are my upgrade ideas. If you can let me know your thoughts whenever you get the chance, it would be highly appreciated.

Thanks,
Seif

Thanks @caphill , I will look into these brands you recommended...