While I didn't search if there were threads about that (but I'm sure there were), I'm sure that would be the right thing to do.
However, you can't expect everybody to use the test-patches, generally it's safer to wait for the final ones, as the test patches are - like the name suggests - only for testing and maybe unstable/...
The right forum would have been "Improvement Suggestions" that's for sure too.
And geeman: What if he had an original suggestion? Should he keep it to himself?
In happier news: bmwracer - expect your AIs today or tomorrow