The word I get from the flatpick list is that it can make a great difference on el cheapo guitars, but not much difference on fine quality ones.

I don't know whether Breedlove lightens up their top bracing because the BD takes up the strain instead. I would think you'd have to, to get any real benefit from it on a fine guitar.

If I had an otherwise good guitar, that was not valuable enough to justify the cost of a professional rebuild, and had severe bellying and/or loose bridge problems, I might very well go that route.

Peter.