Hdtv Dvd Player Excellent First Generation High Definition Dvd Player Can I Use HDTV DVD Players On An "HDTV Ready" TV, And Still Take Advantage Of All Its Potential?

Can I use HDTV DVD players on an "HDTV Ready" TV, and still take advantage of all its potential? - hdtv dvd player excellent first generation high definition dvd player

I ask because I did not put in the HD projection TV, as the new models are still able to enjoy the new HDTV DVD players, or would be a silver belt?