Found some good info here for those that are comtemplating a suspension steering upgrade/modification and needing to minimise or eliminate bump steer problems associated with suspension re-design.
http://www.longacreracing.com/articles/art.asp?ARTID=13
Modifying steering/suspension,eliminating bump steer.
Modifying steering/suspension,eliminating bump steer.
I can't think what to write here so this will do.