Originally Posted by Big Trol

The only comparison I've seen is off the line, castle is quicker also top end and it's supposedly easier on the ESC. Also, they're supposed to last longer and the warranty is better. I don't know if any or all of this is true, but all I know is mine is a kick every time I set it on the ground. I like the Rockstar paint scheme better too, kind of sinister. Just my taste, obviously.