i posted a while ago a film by kyle flying a 450 pro with almost 4000rpm but every body that replied here thought it was fake even when he used timer and music played on the field
here is another 1 by ben storick flying a pro on 3600 rpm and a micro beast
juge by your self
http://www.youtube.com/watch?v=-br-sBiaBmM&feature=related
Insane indeed!