ok, i hope i did this correct ..let me know if any setting i can change to make the slow mo smother
1)shot 720/60 at 1/120 100 iso
2)in vegas setup project properties to match file (1280X720/59.940) with blend fields (would interpolate fields been better??),resolution best
4)playback rate .400
5)custom time code 23.976
6)render mainconcept 23.976 1280X720
i hope i did it right...