If you want to be sure, in the long term, of being able to play copy protected material you will need a TV/screen with a
HDMI input. It also has the advantage of carrying all audio and video on one thin lead so tidying things up.
Presently, up to 32" LCD screens are better, Above that Plasma probably still has the edge. But, if you can wait a year or so, wait for
SED screens to become available. They are just starting to arrive, but only at the top end of the market.