I would go with TI hinge pins -
http://www3.towerhobbies.com/cgi-bin...&I=LXEMC9&P=ML
They are stronger than SS and lighter. I prefer to use hardened alloy steel screws rather than SS screws. They are stronger and harder. I've had probs with the SS ones heads stripping or rounding out on me after taking them in and out several times.