I'm a previous beta tester for TM and have owned TM, CH and Saitek gear, my opinion is that Saitek currently is the best bang for the buck, USB, X36 combo (throttle/Joystick) for approx. $90 bucks is a good deal. I got mine for $70 after rebate.
Next in line would be Ch products, expect around $180 for both throttle and Joystick.
Thrustmaster would be last in my opinion, but then again, I haven't owned a TM set-up since I got rid of my F22 (which, incidently caused me many pains due to spring tension).