Working with Ernest "FORTI/SERTI" Cholakis, I posted a 4-part review at Sonic Control.tv on the power pan feature in the Vienna Suite and how to use it to place each orchestral section. Ernest did an amazing job in setting up these positions.
Strings
http://soniccontrol.tv/2011/03/08/vienna-suite-power-pan-strings-positions-a-professional-orchestration-review/
Woodwinds
http://soniccontrol.tv/2011/08/25/vienna-suite-power-pan-woodwind-positions/
Brass
http://soniccontrol.tv/2011/03/19/vienna-suite-power-pan-brass-positions-a-professional-orchestrationtm-review/
Percussion
http://soniccontrol.tv/2011/11/30/vienna-suite-powerpan-percussion-placement/