I tried the demo version of this program, in my opinion it is a very simple and lightweight application, but at the same time it is really powerful and useful.
I agree that it could be improved with features for the dock and so on, but I think it already does a great work as it is, and I hope that upcoming functionalities will not make it heavier for the system or complicated to use.
I don't like the animation function, I don't want any animation or other special effects, I turned it off and for me this is the best setting: just fast and clean operation is the best for everyday use.
I believe the developer dedicated much time to this desktop switch animation, but honestly I believe it lowers the perceived quality of the application, I simply would remove it.
The only problem for me is the price: I am a developer, I don't pretend to know what there is into this application, or how many hours the developer worked on it, but in my opinion this application is overpriced for what (I suppose) it technically does, so I'm not going to buy the full version at the moment.
My suggestion is not to invent additional functionalities just to justify the current price, but to simply lower it for the moment until new and really useful features will be added.