Everything?
Jeez, I can get most single malts to open up in less than a minute...
Seriously though, generalizations are useful and necessary as reference points, and I believe all woods have their inherant general characteristics. That's why we choose them. Why are necks so often mahogany? Cause generally it's stable and easy to carve. Except the pieces that ain't. But next time you make a neck, you'll probably start with your mh stash instead of going to the lumberyard and starting at 'A'...You know what I'm saying.
I guess the angle I'm coming from is this...
I keep talking folks out of expensive Adi upcharges cause I don't really feel the price is really worth all the hype. Sure Adi's nice, but you can get IMO better Sitka for the same or less money, unless you're paying huge dosh...