I too like the 475s for my smaller planes. When I placed my order at Servocity I ordered 475s but got 485s with the CF gear train. Same servo though. I think I gave 18 bucks for them or about that.
I would use 4-40 hardware on that plane. If you are only using one elevator servo with a Y-push rod then I go out and buy an arrow shaft and make up my push rod. What you use for controls depends a lot on how you set it up and where your servos are located.