great link ehaab,
this is an enthusiast (friend forumer i know) build btw.
http://www.controlledinertia.com/Portals/0/396/Floors%20and%20flapper%20door%20panels%20installed%201.JPG
http://www.controlledinertia.com/Portals/0/396/Floors%20and%20flapper%20door%20panels%20installed%202.JPG
http://www.controlledinertia.com/Portals/0/396/Flowbench%20with%20motors%203.JPG
http://www.controlledinertia.com/Portals/0/396/bench%20position%20mockup.JPG
i'm still in hope to find one with competive pricing.