In his last Q and A, Bobby said they were tweaking the physics and are looking to incorporate new features like improved flipper interaction, but only on the new tables. The already-released ones will not be updated. Now, naturally, they are making the top machines first, but what this will mean is that the best machines, such as MM, TZ, STTNG, TOM, and countless others will end up with the worst physics and unrealistic elements (like flippers), and later, inferior machines will play much better. A top 100 list, if voted on by people who only played the TPA version would end up exactly the opposite, with TZ, STTNG, and MM towards the bottom, and Bone Busters and Mousin' Around at the top!