For a NIB machine I'd highly recommend American Pinball. Their customer service is quite amazing. Take a look at the Houdini thread for examples of their helpfulness and how responsive they are to their customers. I have a Houdini and one of their code updates was on a Sunday. I downloaded it and noticed a minor issue. I contacted their programmer Josh, and he went into the office, fixed the code and had it uploaded to the website within a few hours. That's just one example that demonstrates their exceptional customer service. Couple that with great build quality and unique, fun rules and themes and you've got a winning combo.