I would suggest that an extensive overhaul is in order for your F3 if it's film advance has deteriorated to the level of those trio! The FG is as sophisticated as any camera of that time but nobody is mistaking it's cheap feel with any of the manual F's.
Originally Posted by John_Nikon_F
The F3's film advance is smooth but if buttery smooth film advance across the whole range is the criteria, then my vote goes to the Minolta XE-7. Try it at your own risk as it may leave you wondering if there is something wrong with your other camera's film advance . . .