How do I transfer my video file from video-camera to my computer for editing?

I’m using my Sony video-camera (DVD) and would like to transfer to my computer for video editing. How do I do it? Please share your expertise.
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Apple unveils iMovie for iPhone 4, mobile HD video editing suite – Mobile Burn

Film School Rejects (blog)

Apple unveils iMovie for iPhone 4, mobile HD video editing suiteMobile BurnPinch/stretch multi-touch controls can be used for scaling, and photos inserted into the video are automatically treated with the popular Ken Burns effect. …iMovie For iPhone Is ComingGizmodo Australia
IMovie Now a Coming Attraction for the IPhonePC WorldApple debuts iMovie app for [...]