I'm answering my own previous post w/ this one but here it goes: I've made the decision of using KO2363 as my primary steering servo for all of my on roads. I've installed the KO2365 on my mtx4 as it is supposed to handle a greater "beating" yet still has the same specs and weight as the 2363. The 2363 is a digital, self centering, ics-compatible FET servo which is great if you're using a KO radio like the EX-10. The futaba s9550 is also a great servo. One of the racers at my LHS uses that one and it gets the job done from what i hear. I would've went that way myself but since I've got the coin to spare, I stay KO...Just personal preference. <<short version>> i'd say go with the KO 2363 or the futaba s9550. Good luck.