X1 controller is my favourite,although a controller that still doesn't come with rechargeable batteries is really bad. And the need to spend more money on a charge kit is annoying.
Wii U Gamepad is my second favourite because I like having a separate screen and the off TV play is sometimes useful.
Dualshock 4 is a huge improvement to previous PS controllers but the poor battery life and quality is disappointing. But it is the most comfortable controller to hold.