If you prefer larger dots with options and don't mind slightly muted color, use LCD.
If you don't mind smaller dots but want vivid color and a factory installed look with true blacks, use LED.
I have LCD in most of my games and just recently bought my first LED for my MET. If LED had larger dots, I would prefer that. But as it stands, I give the edge to LCD given the options it offers.
I would still use either as they're both great.