Quoted from SantaEatsCheese:Awesome!
Just to clarify, if we had ordered a P3 base system, Weird Al, and Heist we could modify our order to P3 base, Weird Al, and Cosmic Cart without losing our place in line or delaying shipment?
Re-read the post from Gerry. Everything is based on the P3 base machine. Your deposit locked you in the queue. Once your turn is up, MM will contact you for final invoicing and you will have the opportunity at that time to state what modules/accessories you want to add on your order. Then you get invoiced, you pay, and your game/modules get built.
Therefore you can't change the base P3 part of the order, and in fact there is nothing you can change. The base machine has no options. In accordance with the MM website, the base machine you will get has all the enhancements/options up to this point (upgraded flippers, 2X upper flippers, backbox display, etc)