actually, this borders on heresy, but I've used 'Mayadude' hair on M3, and though it's probably longer than you need (maybe a little 'y translation could fix that..;), there is a flattop. Should be able to find it at Studio Maya, or Freebies here..

I wish I'd said that.. The Staircase Wit

anahl nathrak uth vas betude doth yel dyenvey..;)