After spending over a year messing around with my Cannon T2i and magic lantern I've been frustrated that everything takes too long to setup and everything has to be perfect to get a decent HD Video shot.
I upgraded to an IPhone 5s and withing minutes was creating better footage. Here's a side by side comparison of the raw footage without any enhancements or color correction.
The other big advantage of using the Iphone is how quick and easy it is to edit the footage.