Originally Posted by coelcanth

maybe try seeking out a Stronglight A9 or Delta headset..
instead of ball bearings these use rollers, which have a larger contact area.
this design decreases wear and increases service intervals, but also translates into more friction when turning the bars...

the A9 is said to be one of the lightest headsets ever designed
the Delta is an updated version with more seals

i have also heard that more drag in the headset helps prevent high speed shimmy problems