I agree on the cyclone. Also, if you can find a Tekin G-10 or G-11 esc, they probably are the easiest to setup.
You could also look into a futaba MC230CR or MC330CR. They do 6V BEC, are extremely small, and will handle stock motors or the 330 will do to a 13 turn. I know guys who use the 230CR for 19 turn as well.
The esc can be found used for around $25.