Pt gui is for sure a bit slower, but isn't user operation time much more impacting than number crunching time?
I have found that align to grid feature to put pt gui in a class of its own for most cases where manual points creation would otherwise be required. But it is of course not a universal solution for all use cases so I am not sure whether it would have helped with your pano.
Cheers,
Bernard
My Seitz VR Drive generates a Papywizard compatible XML file that APG uses to place the images in the correct locations, in the same way that Align to Grid works in PTGui. However the pitch, roll, and yaw coordinates alone are nowhere near accurate enough to place images without control points for this pano as it was shot with a 300mm lens on a 1.3 crop sensor.
Anyway, I think we should probably leave it at that as we have dragged this poor thread massively off-subject
Regards,
Gerald.