They give a great tactile feeling, expecially on sounds like piston engines, slow firing guns, afterburner rumble and .... incoming fire (makes me almost leap out of the seat).
This article by Mark Schimmer is about connecting game port rudder pedals to the Saitek X-45 but it may help with other game-port style rudders and newer sticks.
"I had a week long trip to Berlin and also visited Peenemuende, where the "Secret Weapons" of the 3rd Reich (V1, V2 and others) were developed. Quite impressive place." - Mark Schimmer