I'd go for the more bang for my buck. I played Indypins Congo today, was a great pin. WPT is a very fun pin also. you could also jump into a A list pin with what you have left. To me Monster Bash is the best pin ever made. You have enough to find one of those. I highly doubt JJP or Stern can top that machine, not saying that WOZ isn't going to be a hit. Anytime you have a choice between a A-list Williams and a A-list Stern I say Williams wins hands down, plus Monster Bash isn't doing nothing but going up in value.