Quoted from stoptap:

There is nothing spectacular about the game (other than the price).
What would have been a classy move by Stern would have to release the game as a single model, low cost release as a true celebration (and thank you) for 30 years. A game that everybody could afford and they were all the same.

Quoted from Rarehero:

I've debated "clunk" with people forever. It seems that people define "clunk" by a missed shot that doesn't bounce off a target or rubber....if there are a lot of posts or blue rubber nubs being hit, people will call it clunky. This is why some say LOTR and TSPP are clunky...I personally disagree - but I've also replaced the plastic Stern post sleeves with Cliffy sleeves, so those missed shots don't feel so clunky on my games. When you make your shots, those games are super smooth and well designed, IMO.
Now when it comes to B66, I find it clunky due to the main turntable toy. Every time I hit it, the ball kinda hops and flounders. It doesn't have a "smooth" ricochet from hits. The whole toy is kind of convoluted "looks clunky". The left ramp has that super floppy plastic and the ball likes to fly off as well...not sure that's "clunk", but it's a noticeable and cheap/flawed feeling when I play.