USB Servo Control

This is along the right direction -

http://www.phidgetsusa.com/tutorials/tutorial_Servor_Controller.asp

This lets you control a basic Servo using C++ and plugs into your USB port. I'm going to order the following -

Product: Servo 1-Motor
Product ID: 1000Price: $25.25 US
Description: Phidget USB Servo Controller
This controls a single servo motor and needs no additional power supply.
Packaged with a 6 foot USB cable.

Product: Hitec Servo - HS422
Product ID: 9SHS422
Price: $12.49 US
Description: Servo
Stall Torque (4.8V): 45.82 oz/in. (3.3kg.cm)
Stall Torque (6.0V): 56.93 oz/in. (4.1kg.cm)
Current Drain (4.8V): 8mA/idle and 150mA no load operating
Current Drain (6.0V): 8.8mA/idle and 180mA no load operating
Connector Wire Length: 11.81" (300mm)
Dimensions: 1.59" x 0.77"x 1.44" (40.6 x 19.8 x 36.6mm)Weight: 1.6oz (45.5g)

I ordered these two - here's the shipping info.