I'm fine with moving Ice Gamin/Golem down to bottom of Orange. As for Kandara, I honestly think she isn't needed at all right now as Kudra does a similar job, but better now.
I've always felt people overvalue Langston as he is worse then the Peacekeeper and Joss in about every way unless your playing MS&U. Steamfitters are ok, but I honestly still don't take them very often unless you need lots of marker dropping as you have tons of healing between Hoffman, Attendant, Toolkit, and Automaton. I'm fine with bumping up Arachnids as 4 Action models can really get work done and I still love them since I got so much work out of them pre-nerf.
I've been back and forth on the Blessed since the Cerberus can fill the same role, but I agree that Hoarcats are fine cheap "filler" model when you need more AP.
Another one I've been torn on is how good Sparks actually is now. I think bottom of Yellow is probably right since he can heal and make things fast consistently now.
I disagree on the Coryphee since you need two boxes to even run a Duet since you want to option to split them (yea you can magnetize, but I don't recommend messing with it for brand new folk) and barring Colette, Coryphee are why you play performer. The models are just crazy good for their cost and you lose a lot of power without them. It doesn't hurt this is also one of the few crews I have 20+ games with as well, so I can speak from experience on her.