So true it is, Brian.
According to published research, the
optimal launch angle for distance
is eighteen degrees. Top teachers
are more and more steering students
away from the 8-10 degree drivers
and towards the 11+ up to 13.
Concerning the heads, the CORE
effect (rebound off the face,
trampoline effect, what have you)
is definitely something buyers
must investigate and learn about.
I recently went to a 13 Nike SQ
with "senior" shaft and like it very
much.