Purchased a Rottendog DMD089 ($89.00) and MPU089 ($149.00) from Arcadeshop LLC which was the lowest price I could find!! http://www.arcadeshop.com/parts.htm#Pinball%20Parts
and
A Stern Shaker Motor Kit for 150.00 including shipping from Automated Services, LLC. (thepinballstore.com) http://www.pinballs.com/
Super easy phone transactions and quick shipping on both!! Check them out if you need some items