A white version of Sprint's Evo 4G LTE was teased late last week when some advertising materials were inadvertently outed on its website -- which were subsequently changed to show the black version. However, one of our secret army of tipsters has sent in a picture that claims to show an internal document that reveals the handset will come in both ends of the gray scale. Of course, there's no official word yet, but those rumors are sounding more convincing with each passing day. After the break we've got a cropped and zoomed versi