Apple has updated its App Store Marketing Guidelines and is now advising developers against using images of the gold iPhone 5s in their marketing materials. According to the new rules, apps carried on the App Store can't feature screenshots on gold iPhone 5s devices nor can such shots be used in other materials used for marketing communications.
Developers should "feature only the most current Apple products", the updated guideline notes, specifically mentioning the following finishes or colors: iPhone 5s in silver or space gray, iPhone 5c in white or blue, iPad Air in silver or space gray and iPad mini in silver or space gray...