Protect Your iPhone 4 and Add Battery Life With A PowerSkin Case
I've dropped enough phones over the years that I'm a big fan of "extreme cases" like the ones that Dave wrote about recently. But if you don't need quite as much protection, and want extra power, you might want to look into the PowerSkin case.
http://feedproxy.google.com/~r/TheAppleBlog/~3/GWQKPs6RCJQ/