I love mine. I've been experimenting and removed Hulk's right arm. It drastically improves ball flow. I'm going to rotate the arm so it rests higher and doesn't actually catch the ball anymore. A friend of mine has already done this.
As stated above, no op is going to do stuff like this. Shame it wasn't tweaked inside Stern but what can you do. At least all the issues are fixable and the game itself is quite fun. I especially love playing with the sound loud.