I don't really get the hype of this. My original NES, Genesis, and SNES work fine. I have a CRT TV in the basement and that still works fine too. Maybe one day when all the CRTs are dead and I have need to play the classics on an HDTV I'll be in the market for something like this.
I mean I guess do get it. It's cool but all this arguing about what it can and can't do is solved by just playing your Nintendo on a CRT.