If you are shooting professional video productions on an HDSLR, then I don't know of a better place to learn the right way than from Shane Hurlbut. Shane is an ASC cinematographer who has worked on many well-known movies. For several years now, he has been shooting with HDSLR's and getting great results. This new training series from B&H Photo/Video will be a great help to you in getting the in-camera settings just right and in knowing how to accessorize your camera for best results.
Check it out.