Audio Research LS/Ref or Primaluna EVO Preamp


Currently I own a LS26 and thinking up upgrading. My amp is a Ref 110 so usually makes sense to stay with the same company. However, after speaking with a few dealers they are saying the Primaluna EVO 400 is kicking the pants off even Ref series of ARC.  I am not talking the higher end of the Ref series.  My shortlist I have been considering is a LS27, LS28 or Ref 3. One thing I like about ARC is they hold their resale value very well. A new EVO 400 xlr is $4699 but one dealer (won't mention) offered for $3900.  I also like the gain function of the LS26 for my phono stage but it isn't a huge issue I don't guess. My phono preamp is a Manley Chinook SE MkII and I am using it on 65db gain for my Dynavector 20x2L.  Has anyone owned or know much about the PL EVO 400 or is it wiser to stay in the ARC family? Thank you in advance  :)
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Stereo5 how would you describe EVOs sound and/ or presentation? 
Just curious has anyone purchased a EVO from Upscale and did you get a discount?  
I thought about PL EVO and demoed it a few times. At the time I had a ARC LS15 and was looking to upgrade it. Demoed a used LS25 and it was what I wanted and needed for my system so I bought the LS25. I have had a few experiences with Kevin and none have been a pleasure. Not even when I called him and was asked about a piece of gear he had for sale. I worked in the industry for over 15 years and never dealt with someone so rude and nasty, even when I was looking to buy tubes he told to me to just buy off the internet. Kevin Deal is a total A**HOLE and he will never get any of my money.
I've usually had good luck with Kevin and Upscale but I do know we all have our good and bad days.  In the past few months I've bought a Dynavector 20x2L and a Manley Chinook phono preamp.  However,  a couple days ago I was talking to an online sales guy there inquiring about a Ref 3 and EVO 400. Told him I am a returning customer and what kind of discount could I receive.  He said sorry we can't give a discount on either item. I thought are you kidding me and typed WOW ok.  Ended up buying a EVO from another dealer and he gave me a substantial discount on a new one. It was a no brainer.   Not sure if this salesman was conferring with Kevin or a manager but I doubt I'll do business again.  Very disappointed because I've always had good luck with them.  Kat was wonderful to deal with and I've had some good conversations with Kevin in the past. 
I don’t know too many dealers that are willing to carry a product if the importer and distributor undercut them on price. It makes for a complicated relationship and limits the price flexibility. 

I’ve bought a few things from Upscale. Kevin can be patient and nice and he can also be a dismissive dick. Probably depends on how many stupid questions he’s heard that day. Try not to take it personally.