Gets your start button back, and you can make it skip straight to the desktop on booting.
Customisable start menu.
Shut down and restart on the start screen and/or desktop.
Free.
http://classicshell.sourceforge.net/

Even without it (and why would you be without it?) you can put the desktop tile top left of your start screen and expend the huge effort and delay of hitting Enter or Return when you start up, to get to the desktop.

I really can't see what all the fuss, not to mention venom, is about with people's reaction to Win 8. If you don't like how it is 'out of the box' you can tweak it.