I would not download/install them if I were you guys.
From 3dgpu.com
"OK folks, I just got off the phone with NVIDIA. It seems as if someone uploaded the wrong driver set to their site, hence the missing NVIDIA Control Panel applets. The correct ones should be available in the next hour or so, I'll let you know...
Matt: From what I understand when I talked to NVIDIA, we should be getting the 28.80 drivers today. I asked NVIDIA about the Digital Vibrance issue, where it shuts off when you start a game, and they said that it has been fixed. That's surely good news. "