Tube Phono with Tube Integrated Amp?

what are the drawbacks (if any) of this setup?  

i recently acquired a VPI Prime (amazing) with a Soundsmith Zephyr MKIII.   using a ProJect Tube Box S (which was a phenomenal upgrade for my previous ProJect Carbon table).  right now, running this through a vintage Kenwood KA-9100, powering Elac UniFi's bookshelf speakers. 

i'm looking to build a 2 channel system that i can grow with, so please disregard the amp/speakers for now.  I've read great things about the Manley Chinook and the Allnic H1201.   in the event that i upgrade to a tube integrated amp in the future, is there any downside?
i've read on this forum that a tube phono is better paired with a solid state amp.