Oh..on the subject of SOUND :
Two examples. Both MD530 Heli's use the same exact fuselage
One is Glow:
http://rcuvideos.com/item/948Q2YYQBRQDL6M3
One is electric (inept, right ?
)
http://rcuvideos.com/item/RT580R7B7YY6T6M0
Tell me which one SOUNDS better, and more REALISTIC.
We won't even discuss the smoke trail
)