Wow, that is a tough one. I would have to say they are pretty equal as they are both great parks with great coasters. It's a tie!!!
I think BGT has a better variety because they have wood. Also, the Scorpion is better than BBW, IMO. Many people forget about Scorpion and it's a good coaster with a great helix. I prefer the zoo theme to the Europe theme, also. It all comes down to which theme you prefer. It's great that Busch parks concentrate on such high quality coasters. They have been adding very top notch coasters for the last few years. And Kraken at SWO, awesome.
