While I have not seen either the Chief Fun Fly or the Champion 45, my take of the photos of them is that they are very different in their flight characteristics. The Chief would be closer to my Lanier 40 Fun Fly, but the Champion looks like it would be more what I like to fly these days. I like smooth and stable, big figures in the sky. The Chief would be more for 3D style flying, tight loops, the kind of stuff that gets me in trouble. As to the product quality for either, I have no basis for any opinion. If I have only saved you from wasting your time on the Lanier FF40, I've done my good turn for the day.