Since in eBay find CH Throttle Quadrant under 100 U$ and Saitek T.Quadrant for ~50 u$, get CH.
More axis (6 x 3), buttons, and more reliable and durable than Saitek.
This use cheap potentiometers - similar to these find in entry level joystick and cheap gamepads = spikes in short time:
http://forum.avsim.net/topic/207336-...drant-spiking/
http://forums.vatsim.net/viewtopic.p...53678&start=30
Sokol1