Roger Ide does video analysis of your golf swing and compares your swing to the top professionals. Here are some examples of his work and some golf tips you might learn from.
Golf Tip of the Month - January 2010!
The great Ben Hogan used to say the first 18 inches asway from the ball is 90% of the swing. The body parts we use and the way we take the club back will set the stage for the whole swing.
Summary:
If we get the club started back properly we'll become more consistant and accurate. We'll make better contact giving us more power without swing harder.