So, received one of the samplers today

Deck Cherry MX samplerSwitch impressionsReds definitely feel as I imagined they would - smooth all the way down. Not featherweight or 'too light', just about right imo - although I can see how it might be difficult to not accidentally press a key if you're resting fingers on them. The other switch colors offer a better sense of resistance while resting, even the Browns with their bump give you a sense just resting on the top.
Blues surprisingly sound less annoying than in videos I've seen, but of course that's only a single key. The sound could almost be described as a woman tapping a typewriter with her fingernails. I can understand how some people love them with their tactility and click, it's a pleasurable sensation (having a board must be hypnotic

)). If Browns feel/sound 'chalky'/clay-like Blues are like cutting something bumpy with scissors. They also require a slight amount more force to depress than Browns.
Blacks are like the Reds but feel smoother due to the increased spring pressure. I think they're closest to the rubber dome pressure on my current board, minus the rubbery bump force at the top. The pressure when fully depressed is heavier, however. The bounce-back I read about is also true about the Blacks, my finger comes right back up - more so than the Reds.
Update!:
Clears Feel like much better Browns. The tactile bump is distinct and satisfying, while taking more force to bottom out. I'd honestly like to try a full board with these some time as unmounted switches never give a full picture.
ConclusionComing from a rubber dome I was wanting a switch that fatigued less, so a lighter switch seemed a good fit. The Browns are a good middle-ground and add a bit of variety compared with the linear Reds, but something about the bump made me want to try the other switch types. As the sampler I received doesn't register keys onscreen I can't tell how easily I'd actuate on Reds, but afaik it's the same distance as Browns.
I've yet to try the Clears, but the boards I'm considering lack that option anyway.
Will update when I do Done!
Some more pics of the samplerMore