Comparison of cases available via Apple's case program I'm trying to decide which case to choose via Apple's case program.

Are there any side by side physical comparisons of the cases available? All I have been able to find is speculative information, gleaned from marketing material.

Feel free to provide your findings if you have one of the cases already.
There's an article like that here

http://www.ilounge.com/index.php/backstage/comments/apple-iphone-4-case-program-here-are-the-best-worst-picks/

Their top pick is the Speck PixelSkin HD