i really like my Futaba servos, i have tried hitec 7955s, JR 9100T & S, airtronics, savox,and now futaba. the hitec 7955 is next to indestructible, ran them for 2 years. i have the Futaba BLS351 for throttle/brake and the S9157 for steering. they are extremely smooth and they feel a good bit faster and stronger than they say.
BLS351 - Torque: 217 oz-in @ 6V
Speed: 0.13 sec @ 6V
S9157 - Torque: 425oz-in (30.6kg/cm) @ 6V
Speed: 0.14 @ 6V