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No, you'll have to find the best settings for yourself.
The best thing to do in any case is to try and see what you like about the D300+D2x colors. Since you have them both, try and take "the same picture" with both cameras and then try to spot the differences.
But if you're talking about profiles to load into the camera, I would think not. Nikon don't facilitate that kind of in-camera profile.