thats what i heard also but i want to figure out why.i can see why it would feel more aggressive on entry but i cant see why it would mid corner and exit.it seems that the angled mounts are about 10 degrees as is the castor angle.i guess this would keep the geometry consistant thoughout the steering throw.huh,maybe we can all do some testing to see the differences.i will scale the geometry throughout the steering throw with both styles of mounting and see what i find.
Depending on steering link angle from horizontal, there may be "bump" steer, most pronounced in mid-corner, causing a slight additional turn in of the outside wheel. However, I believe tire selection and traction compound application have more effect than flat vs. angled servo.