I posted this over at avsforum.com but was told I might want to check here, so here goes.
I've been into amateur movie production toward the end of high school and through college with a buddy of mine. He had a GL2 for a while, then upgraded to HD with a smaller Canon Vixia HV40 and a JAG35 adapter and simple shotgun mic mount. Those were the cameras we both worked with to make some movies for fun and shoot snowboarding a little. Having worked with that camera for a couple of years now, I've noticed some downsides to the lack of manual control.