Help with Preamp Selection and Network player


Looking for tube preamp. I have the opportunity to purchase three different preamps around the same price.
-Primaluna Dialogue Premium
-Cary SLP-89l w/upgrades
-Luxman CL-38uc
Looking for opinions on sound comparisons and flexibility. Will be used in front of Parasound A21 feeding ATC SCM19's.
Also, narrowed down my choices for streamer/dac down to Cary DMS-600 and Naim NDX-2. 
These two units offer the ability to use my existing CD transport, HDD loaded w/music, Roon ready, and future NAS.
Any insight would be appreciated.
Thanks 
amboguzzi
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oddiofyl
"
.Audiogon is their free advertising ... while you and I pay for items we wish to sell...how is that ok?"

That is a question that should be posed, addressed and directed to this group's team of  experienced, knowledgeable, and thoughtful moderators. Their sole, solitary, and final judgement shall assess, decide, and determine whether such allegations have truth, merit, or validity and will then establish the appropriate official response based upon they’re investigation, review, and inquiry.
Oddfyi you cant have it both ways we announce we are dealers because we are told we have to let people know our affiliations.

Others dealers such as Audio Connection also say they are dealers in their retorts you dont have an issue with them now do you?

When we list our products in posts you think free advertising we list those brands to prove a point.

If you are interested in computer servers whoose advice would you take the guy who sells one or two brands or the guy who sells five?

It is up to the poster or reader if they want to reach out to us or not.

The reality is only a few people have ever purchased from us while our posts have helped many.

Dave and Troy
Audio Doctor NJ