So far I am enjoying LR CC. For me, the edit module is complete enough. I shoot b/w and my in-camera settings get me 90% of the way there. (X100F)
In LR Classic I use keywords and collections extensively. IMO, this the the area in CC that needs the most improvement. I'm sure it will come, but I am impatient. Once this is addressed I will be moving my Classic catalogue to CC.
So, I'm ready. I'm ready for an update. With my fingers crossed, I check daily....
Personally, I'm not a heavy user of keywords, but:
In the new Lightroom CC, they aren't called collections:
Maybe those features aren't exactly what you're looking for. But give Lightroom CC a little time to mature. It's really new. I'm sure it's a program that will really fit the bill for a lot of people eventually. I'm not trying to convince you or anyone to use it. I don't use it myself. Just pointing out that there are a couple of features that you might not be aware of.
Well, I'm glad you love it. Good luck with it.