The Vizio M-Series Quantum X (M65QXM-K03), or Vizio MQX for short, takes on TCL and Hisense for the best bang-for-your-buck TV. While it isn't aimed at enthusiasts, it is meant to be the best TV for the money for most folks. Does it nail that sweet spot or not? You'll want to see this video before deciding whether to buy the new Vizio M-Series Quantum X at any size.