Use what ever is comfortable for you.
One of the great things is Customization, in CAD/Revit What works for you may not work for the person next to you and Vise Versa.
I still use Tool Bars and Menu's and PGP Keys, and Lisp, Lynn Allen once referred to me as the Ribbon Rebel! LOL
Sorry probably was not much help to your question but was more kinda some advise I guess.

I tried Track Balls many years ago and could never get them to feel right, plus was always sliding them LOL
But I think they are a good devise, just has to be good for the individual.