I also have the VF Edge 540 in route. Power is planned to be a Saito 120. After looking at the pictures of the side mounted 100 above, I am leaning toward an inverted mount as well. I have a couple of 2 strokes inverted but this will be my first inverted 4 stroke. According to VF, the 120 works well on the 540 in both the advanced IMAC and 3D modes. I plan on doing a complete review as well from the opening of the box, through maiden flight.