If I had an iPhone4, I'd get something like this: http://www.zagg.com/invisibleshield/apple-iphone-4-cases-screen-protectors-covers-skins-shields.php http://www

If I had an iPhone4, I'd get something like this: http://www.zagg.com/invisibleshield/apple-iphone-4-cases-screen-protectors-covers-skins-shields.php http://www.zagg.com/invisibleshield/apple-iphone-4-cases-scr... I don't know if it'd help the antenna issue, but they work great for protecting your devices from scratching without covering up their good looks. I've got a similar skin for my Nexus One and have been very pleased so far.