I bought it 4 months ago (for $300). Used it in one trip - went to Alaska. Got the new one (Hero3) as a gift hence am selling my old one.

Link: http://gopro.com/cameras/hd-hero2-outdoor-edition

What's included (taken from the above link):
1 11MP HD HERO2 Camera
1 Waterproof Housing (197' / 60m)
1 HD Skeleton Backdoor
1 Rechargeable Li-ion Battery
1 USB Cable
1 Vented Helmet Strap
1 Head Strap
2 Curved Surface Adhesive Mounts
2 Flat Surface Adhesive Mounts
1 Three-Way Pivot Arm
Assorted Mounting Hardware
NOTE: SD card not included