Stealth Black. The phone will be shipped as soon as it is available says Wirefly, and that should be April 19th when Sprint is releasing the device.
Since our Magic 8 ball has been busted, we can't really say for sure that this will be the lowest pre-offer pricing that we will see for the HTC One. And there is always the chance that after being launched, there could be a price war against the Samsung Galaxy S4, especially from authorized resellers. For now though, we'd jump all over this price.
source: Wirefly (1), (2), TalkAndroid via AndroidAuthority