White iPhones will be available at Best Buy on Wednesday April 27

 This pic is from an article on 9 to 5 Mac's website about the iPhone being launched this Wednesday at best buy stores.

"both 16 GB and 32 GB white units have already been shipped to Best Buy locations across the United States, so those models should arrive by Monday or Tuesday ahead of the Wednesday launch...."

 Read the full article here: 

http://www.9to5mac.com/63420/exclusive-white-iphone-4-lands-at-best-buy-on-april-27th/