For me it beats the 8bitdo by a long shot. I think the 8bitdo only has 2 back buttons, does't it? the vader has 4. And now with Steam input support they are all programmable. I like the feel of mechanical buttons too.

Yeah.. I've been waiting for a steam controller 2 for way too long. The horipad is the only "traditional" controller that has capacitive joysticks.. but beyond having that, the reviews for it are not that great.