Heres some videos to check out:

This one is all Hero3, which I would recommend over the Oregon Scientific. I had it strapped to my wrist, and was specifically holding it still while filming (instead of sailing the boat, and I know that is slow JC).
http://link.brightcove.com/services/link/bcpid823619038/bclid24526455/bctid663334121

This video has some good bow shots:
http://link.brightcove.com/services/link/bcpid823619038/bclid24526455/bctid376898780

This Tybee video has a bunch of different angles including the mast cam:
http://link.brightcove.com/services/link/bcpid823619038/bclid24526455/bctid14270514

Brian