Well, any mouse you are comfortable with will do. Personally I use a 6 years old Logitech RX1000. Simple Layout, no extra Keys and I am doing just fine. If your personal workflow requires extra buttons get a mouse with extra buttons. It really doesn’t matter in my opinion. It’s a bit like asking someone who is good at sketching what pencil brand he is using: interesting, but actually way less relevant than you would think 
I would have loved to get one of these, but having this touch thingie instead of a good old mouse wheel is simply not an option if you are doing CAD 