In case you missed it -- or even if you didn't, because it's even better reading it the next day:
Transcript - Barack Obama’s Inaugural Address - Text - NYTimes.com
He manages to put everyone on notice that things are going to be different, from the Republicans to other nations to Wall Street to you and me. He invokes our ancestors as well as future generations -- with hope, and a call to hard work.
I put it here so I can always find it, because I think I'll want to refer to it often over the next few years.