Cool project.. and I do agree with you that less parts the merrier.... I was planning on doing something similar to my GST..
this outrunner... on 12S...
http://www.hobbycity.com/hobbycity/s...idProduct=5139
1.57KG

or this one, so I ordered both..
http://www.hobbycity.com/hobbycity/s...idProduct=5140
1.23KG

that's an awesome project.. Keep us posted...