Servos
Matt,
Oh well, maybe you'll get back someday. We'll be around, give us a holler.
Emissions,
Guys have different opinions on this. There are guys that get away with standard ball-bearing servos, but I think that's a bit light. I would use something like a Futaba 9202 or 9304 as a minimum, they are coreless servos with 69 in. oz of torque. I use JR 8101's on mine, if you can afford 69 bucks a piece I would recommend them highly as they are very high torque and have wide spaced bearings for extra resistance to slop. If was doing another Dust I would use JR 9411 mid-size digitals for the extra holding power around neutral, but they are pricey at about 99 bucks each. These are the servos that the designer, Jeff Gilbert, prefers.