The Start screen can be completely customized. I dragged a bunch of my network engineeers over to Server 2012 just a few weeks ago. Despite initial trepidation, they love it now.
Okay, now you've got my attention -- my professional self just sat up and said, "Oh that's great, my users will be screwing with the standard interface. Better get in and get ahead of them!" LOL.
But seriously, thanks, truly.