I had this links saved for a long time, I can't believe I forgot about them.
The TQs look awesome, specially the one from Airplanestuff plus the price seems pretty good. Too bad they don't have one for 737 fans. Later...
http://www.airplanestuff.com/
http://www.universalflight.com/
Extra link; MCP EFIS, etc...
http://www.commandfliteware.com/our_products.html
Hope this helps with your projects.
Keep 'em flying and enjoy the ride.
Pedro,
ODYSSEYNG
737simulator