Then I may be reading more or less into your question than I thought.
I don't believe anyone could give you a definitive answer as to whether
a particular prop would reduce prop-walk on your particular boat
without you actually trying it out, and that can get expensive,
especially if you don't like the results in other areas of performance.
If you are generally happy with the overall performance of your prop
then I would look first to the "operator" to solve your possible
problem.
Nine times out of ten, this is where the real problem lies......
course, I couldn't say if this was true in your case unless I road with
you and watched and then I could easily end up agreeing with you......
or not.

Shen