While we are on the subject of TO data miscalculations, the final report is out on the Emirates A340 tailstrike incident out of Melb:
Investigation: AO-2009-012 - Tailstrike and runway overrun - Airbus A340-541, A6-ERG, Melbourne Airport, Victoria, 20 March 2009
Planetalking is on to it as well:
Plane Talking