Get the 3.3
i put a pull start on mine, i used to be an ez start person, but i like this much better, and the 3.3 is pretty easy to star for me.
Its only $152 on towerhobbies
http://www2.towerhobbies.com/cgi-bin...=++&search3=Go
i dont remember which one it is lol
i dont know much about motors
well i can tune and such but, u know what i mean.