I don't trust the synthetic cannabinoids, some of them are straight up dangerous and even the JWHs felt sketchy to me. None of them compare to marijuana anyway. I mean I haven't tried many, but I just don't trust 'em. I became catatonic on JWH-018 once and my friend almost called an ambulance.
Cathinones... I love me some cathinones. Only got to try 4-MMC a few times but I absolutely adore methylone. I also really like 4-EMC. Hexen isn't bad either. Cathinones are really compulsive/addictive to me though.
I grabbed a gram of 2C-E and I hardly ever use it so I still have the whole thing minus like 30mg, and I expect it to last many years. But 2C-C, to me, is like 2C-B except slightly better because it's clearer and more introspective. Similar potency (for me, some find it weaker), lovely stuff, both useful and recreational. I went through 2 grams since I ordered it. But I'd get 10 grams of it now if it was still available.