I am sure you'll find many,many people on here to be incredibly helpful and knowledgeable.....and friendly!
You are lucky to find that stone. I had a hard time here,in Chicago! I got mine from a pizza place and I love it.
Anyway....it's funny that the first thought upon seeing your pizza was "Wolfgang Puck". It looks like his creation. Too bad you didn't enjoy it. But, I like to say: Pizza is like sex. Even when it's bad, it's good.