I just picked up my rockler bearing. http://www.rockler.com/product.cfm?page=2272 This will allow the dome to be able to spin. I will not be motorizing this droid, though I am leaving the option open for future up-grades.
Now that I have more than one blog I decided to change the about me section. I am a hobby prop-builder and all around geek. Most of my blogs will be devoted to my geeky pursuits like building a full sized R2-A6 droid and re-doing my man cave as a Trek-inspired 'Ready room.' Enjoy