Actually, if you are lookingat micro helis, you will probably want a transmitter-only package. The servos and receivers that they ship with the transmitters are too big for the micro helis.
ServoCity.com and BrucknerHobbies.com both ovver transmitters without the receiver and servos. The Futaba 7CH is about $170 this way. That transmitter would do you well for flying helis.