Can recommend HG (Ino-Lab) servos. Yes they are not expensive as Futaba or JR but also strong & accurate. I use them in my Hyperion Katana 63e: 2 x HGD-250HB on ailerons, 1x HGD-250MG on rudder and 2 x HGD-202HB on elevator. I bought mine at
www.unitedhobbies.com