crimmson I know you want to get on the road but dont go cheap on the servo by the time your done you will have bought three servos fo the price of one good one!
a futaba 9602 is about 70 dollars and an airtronics servo 91457 is about the same and are high quality.
click on the south east hobbies link in my signature.
If the price is not right email the store or call they will help you!