curves curves curves. curves are what it's all about. it's all biological. our brains are wired to pattern match certain curve forms. it goes way back, waaaaay back.
I don't really know anything about exact measurements (10 inches less? no clue what that amounts to), but I know curves when I see them. curvy == good
oh, on a related note, for a hilariously detailed analysis of one persons concept of the perfect ass, check out <a href="http://www.assmatrix.com/">the ass matrix</a>. "Welcome to THE ASS MATRIX! Unfortunately, no one can be told exactly what the ASS MATRIX is. You'll have to see it for yourself!"