Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Looks like the padding in the case will provide either some insulation or just a gap between the iphone's antenna and the metal case, in a sense resolving the loss of signal issue. However, the cases are NOT anodized, which mean the paint WILL ABSOLUTELY chip and scratch off the case in no time.
 
I can't speak about the one of this site but I have a friend that got one of the ebay cases and said it was JUNK and did the same thing that my element case did to my phone.
Searching...

The one on this site looks like the same case as the ebay case
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.