The Panasonics are cheap and work well in sports mode. Outdoor shooting is no problem indoors you need plenty of light. I have the Casio Exlim and this is a far better camera.
The swings are slow mo 300 fps, work well with V1 software or quicktime, the video is not grainy, extremely easy to use, it is the way to go if you can afford it. Again you need plenty of light for indoor shooting. There are lots of Casio videos posted on Youtube. Youtube compresses the files so the quality is never as good as the file on your local PC.
BTW the V1 software has a utility that downloads Youtube files(flv) which can be played in V1. Then you can draw your lines, circles, etc.
