Too much?

Time spent playing Super Mario Galaxy today: 9 hours. That doesn't include the time spent on Assassin's Creed (about an hour and a half), Portal (at least 45 minutes) and Tiger Wood (at least 20 minutes).

Needless to say, my head is somewhat babbled right now.

Honestly though, Super Mario Galaxy is amazing. I am actually relishing having to play my copy again for 9 hours to get where Will, Rob and I got to today. Plus, the two player mode, while not full two player, works well enough to make it fun for two people to play. It is the defining game for the Wii, rather like Super Mario 64 defined the N64.