I figured as much. It kind of seemed like an apples/lawnmowers comparison, particularly since I was thinking of acoustic instruments. The best sounding acoustic instruments are generally the most fragile. The whole point is to move air. Also, as I mentioned in my post, it's taken years for a noticable change in the guitars I've owned.
Big slabs of wood aren't immune from this, though. There are perceptible differences in the tonality of solid body electric guitars. Here's an interesting
overview of wood tonality if anyone would like to check it out.
