60 fps Movies:

Interlaced video (non-progressive-scan) camcorder

Fast enough throughput of video to your PC hard disk

VP Capture will offer "Double" when 60 fps possible

LoggerPro 3.4 does not offer this option

Jargon:

Deinterlacing, Upper Field, Lower Field

Advantages:

Better time resolution
Access to briefer events

Disadvantages:

None, if your equipment lets you do it

Links:

LivePhoto Physics

Air Cannon from miniDV tape (1651-KB 60-fps movie)

Air Cannon from miniDV tape (782-KB 30-fps movie)