I got the GoPro Hero2 with my ST3 purchase. So I download their CineForm software to edit my videos. Well it says there is a device (firmware) update. So I do it. HUGE MISTAKE. Now the camera is basically useless. It's not a total brick, it turn on and I can almost get it to downgrade, then it freezes after 5-8 seconds.
The version on the camera was .70, the new update is .222. Whatever you do stay with the original until the bugs are worked out. If you do a search for GoPro Hero2 222 freeze you will see thousand of posts on the subject.
I have sent in a ticket to their support line, but from what I have heard it's not very good.