A surgical cutting and fastening instrument (10) having an end effector (12) including a housing (34) for holding staples and a sled (33) having a camming surface for ejecting the staples. The instrument has a main drive shaft assembly (48, 50, 52) for pushing the sled through the housing to eject the staples. Also included is a motor (65) operatively coupled to the actuation shaft (48). The motor includes a drive assembly (20). The instrument further includes a sensor (110) in the drive assembly to measure an actuation load. The instrument further includes a sensor (268) for measuring a power output of the motor. The instrument further includes a console (6) for remote control of the motor, the console comprising hand manipulated controls (18,20). The instrument further includes a means (268,2400) for providing proportionate feedback from the sensors to the hand manipulated controls.
