In FCP 5.04 use the following workflow:
Import P2 files to FCP 5.04
Locate quicktime files in scratch disk folder
Use Cinema Tools Reverse Telecine to remove 2:3:3:2 24PA pulldown
Import new pull-down removed files into FCP
Drop new clips into DVCProHD 1080 24fps timeline
Voila! Frame for Frame 24 fps.