I built a Dalek EZ-Robot tonight. Well, i upgraded my EZ-B v3 hack to the v4 and added a few more servos. One to control the nose plunger thingy on their face up and down. And two other servos for the ray gun plunger and the actual plunger on the center torso. So many plungers!
Here's the mobile app: http://www.ez-robot.com/Community/EZCloud/Download.aspx?id=4017