Any of you guys have one o

Any of you guys have one of these? Is it worth it ($300 at B&H)? What about the other stuff (Bod-Pod and Forearm Brace)? And why is a battery a recommended accessory — does it run on batteries 😕

Forgive the incessant questions — it looks great if it works at $300 bucks.

As always, thanks 😉

Beth