don't forget 3d is not for all, so going to gas is not always a 3d concern. Todays gas engines keep getting lighter and lighter. Light goes out of the window the 1st time i see a flyer rip out the gear or knock the motor off and its rebuild time. I am sure i will see how the extra 3ds; however, its not a big factor for me. I usually set all my planes up with a low rate of 10 degress on the elevator as this will be all i need for basic flying loops and such. If 3d is to be involved i go 10/40 degrees on the elevator. i find i don't need any more of throws on the elevator than those mentioned. I love fun flyies, they will let you get away with murder and sometime they will hurt you if you stay with them to long and move to something less forgiven in the air than them. A plane that is tail heavy (but with-in manf spec) will/should still fly well on low rates as long as you are not banking and yanking.