Well, I gotta pop in here with my setup.
I have been flying a 2 Dog RC EPP Yak for a couple years now with no gyro. I can hover and 3D just fine.
My first tweak was adding thrust vectoring to the plane:
https://vimeo.com/21826833
And then, I got my hands on a Feytech FY 30-A stabilizer.
I love it .. Hands off Hover.
One handed knife edge flight
Rock solid performance in the wind.
I like to be able to turn it on, and off via the TX, some gyros dont do that. Good Unit.