If I was in start-over mode, I would like to seriously listen to Roy Johnson's time coherent speakers. Problem is they are stone ugly to me ... look like Praying Mantises. LOL.cool, Bruce! :-) I'm happy to read that the "Sloped Baffle" thread & Roy's posts have had a positive effect on you & your conviction re. time-coherence in speakers is more than it was mid-way thru that thread.
Re. the shape & looks of Green Mtn Audio speakers - it's purely based on form follows function. When you re-read Roy's comments & note how he has to deal with issues to ensure time-coherence, you'll note that the speakers will have to take up a form that will not be a rectangular box with drivers fitted into its front baffle. The receipe has been tried way too many times & people in the know (which now includes you) realize that does not work....
looks like Roger Skoff is also another person in the know. I own some lower-end XLO cables - nice! I like them sonically. Purple & white jackets on one of them!! I don't think anyone else did that in the cable industry.....
thanks for sharing. :-)