From: Search Engine google search for iphone skins
Like: Amount of skins on offer
Dislike: Lack of other iphone accessories

Suggestions:
Check out took a long time, I have this problem recently with a clients zen cart system. I'm still modifing it to cut down the amount of confirmation pages.

Comments:
Shipping is a little long, but if you don't hold the stock this can be expected. The forum and account registration should be optional. It can scare customers off. All in all, nice site and great skins.