Have you considered trying to repair it? Darkened screen sounds like failed LED lighting strips and those can be replaced. Watch a few videos on the subject to get an idea of what you are getting into. I did it on a vizio TV and it took me about an hour all told.

I have been considering a second quest play lately. All these years I have never played the second quest.

Yes the music in the Mega Man games is legendary

Every so often I will fire up my copy of Mega Man 2 and run through it.