Sonor, Gretsch and Taye are not drum kits they are drum companies.
Secondly, each of these drum companies makes more than 1 type of drum kit.
So, what are you asking? Generally, across the board which company is better?
You know your going to get diff. opinions, so what's the use. If you are specific with make and model (wood type etc.) then you will get some serious answers and can prompt a serious debate/discussion. Otherwise, there is really no purpose.
Toyota vs. Honda vs. Nissan.
which car maker is better?
How can you possibly debate one over the other. Everyone has diff. experiences.