Yes! The Start Button is Back: Windows 8.1
Courtesy PeterBright, ArsTechnica
Though it will disappoint some, it should surprise few to learn that Windows 8.1 will not revert all the user interface changes made in Windows 8. Instead, 8.1 will be an incremental update that builds on the Windows 8 interface and its Metro design, but does not replace it.
As such, Windows 8.1 still has the Start screen. It is, however, a more customizable Start screen. There are new tile sizes: a double height tile, to allow apps to show more information, and a smaller tile size, to allow apps to be packed more tightly. There are more options for the Start screen background and colors, including animated backgrounds and the ability to use the same background as used on the desktop. This last change should make the Start screen feel a little less visually disconnected from the desktop world.