Nice post, Pbb. I'm probably the guy who said the ARCAM lacked PRaT. But I never stuck it on a Neuance, so who knows...? Your analogy's great. Maybe a Neuance will allow that trio to boogie better!
But to answer the threadhead's query: it took me a LONG time to throw away my old modded Rotel 855, but musical life with Redbook is now a completely NON-artificial experience with my new Electro EMC-1 MkII. Sure, pricey, but a sea change as important as a great speaker upgrade.
I too thought the Planet a bit dark. But then again that can be a good thing in a leanish system (metal tweeter, nearfield listening, upper crossover junk, untreated sidewalls, etc.).
I simply couldn't find a $1k player a year ago that cut it.
Used EMC-1 can be had around $2k. You can get the MkII DAC later for $600 (I got a couple straight from the EC for folks.) I figured it'd be a LONG time before someone made a combi-transport that REALLY sounded great on Redbook, so I went this route.
Good luck on your journey.