Futaba BLS351 servos are in my T 2.0 on both throttle and steering. They are fast and have plenty of torque too.
SPECS: Torque: 4.8V: 173 oz-in, 6.0V: 217 oz-in
Speed: 4.8V: 0.16 sec, 6.0V 0.13 sec
http://www3.towerhobbies.com/cgi-bin...&I=LXRJS4&P=ML