I guess there are those that say you can never have too much power. I'm power hungry too but I had a Saito 100 on my 60 and that it was great. Again, I use 30% Nitro, but I also fly a 4800'. In my mind the 100 is great for the 60 but with good throttle management the 110 would be awesome. I have 5 110 motors so I'm no stranger to them. I just think it would be a waste on the 60. It just doesn't need it. I'm very, VERY impressed with the Lite 120 and the YS 110. Anything at or under 9 1/2lbs is a great flyer for the YS. Certainly it will hover and torque roll all day with the 110, obviously the 60 size would also, but I'd be a little worried about running the engine so slow that you get loading up problems and poor response.
Thanks,
Barry