This training video, Advanced Training DVD for Nikon D300 Digital SLR Camera: Vol.2 , will get you up and running quickly with your D300. The material is organized into easily accessed chapters. There are hundreds of photographic examples.
Be prepared (to get the shot)
Aperture priority/Depth of field
Metering and bracketing
Lens choices and results
White balance/Color temperature
Playback and image review
Shooting menu banks
RAW (NEF) files
And much more...
In the Box
Blue Crane Digital DVD: Advanced Training DVD for Nikon D300 Digital SLR Camera: Vol.2