Haven't tried the new Nexus/Afline hub,so can't compare to the older ones,but if you want to compare gearing you can use Sheldon's calculator.
http://sheldonbrown.com/gears/
__________________
C'dale BBU('05 and '09)/Super Six/Hooligan8and 3,Kona Dew Deluxe,Novara Buzz/Safari,Surly Big Dummy,Marin Pt Reyes,Giant Defy 1,Schwinn DBX SuperSport,Dahon Speed Pro TT,Brompton S6L/S2E-X