This was just announced at Mac World.
Specifications:
All Aluminum construction made from 6061 T-6 anodized aluminum.
CNC Machined from solid Billet for ultimate durability and precise fit.
6 sided protection defends iPhone 4 against shocks, drops and movement.
Weighs 33.5 grams, just over an ounce.
Balanced feel and easy access to all buttons, sim card, headphone jack
and charging slot.
Includes Tripod adapter attachment
Zero grounding precise fit; metal does not touch any part of the antennae.
Designed, manufactured and assembled in Orange County, California USA.
http://www.rokform.com/rokbed.html
Specifications:
All Aluminum construction made from 6061 T-6 anodized aluminum.
CNC Machined from solid Billet for ultimate durability and precise fit.
6 sided protection defends iPhone 4 against shocks, drops and movement.
Weighs 33.5 grams, just over an ounce.
Balanced feel and easy access to all buttons, sim card, headphone jack
and charging slot.
Includes Tripod adapter attachment
Zero grounding precise fit; metal does not touch any part of the antennae.
Designed, manufactured and assembled in Orange County, California USA.

http://www.rokform.com/rokbed.html