i've found that anything above 40deg throw (each way,80, total) is a waste and jldecarlo is right, to minimize slop in the controls don't go with short anything, use longer servo horns like the dubro one's.
the servo will move over 90 deg total so you realy should not need longer control surface horns than servo horns, about equal is a good start with the atv (travel volume) maxed out.
my plofiles now have the about 40deg each way travel and i have to hold back on the deflection for flat spins (almost climbing) and the waterfalls are very tight.
good luck
don't forget to use about 30 to 45% expo (start with more and then back off till you like the feel)