If u r looking 4 an cam corder which should have hd clearity,shock proff,waterproff then u should have a look to samsung w200.
It has 5 mega pixels camera with f2.2 lense which is specially made 4 shooting underwater.It is water proff upto 3 metres and shock proff up to 2 metre. It shoots video in hd at 1080p.It shoots the image at its best like real image.Samsung w200 seems to provide tough competition to other pocket cam corder. Wat u say?