http://www.newmoney.gov/currency/100.htm They've got an interactive tour (in Flash) of the new $100 bill, along with the other common denominations.
Ranging God wrote:
Wow that is really cool. I wonder how long intil someone counterfits it.
What I think is funny is that it showed the watermark Washington.
It's Benjamin Franklin, not George Washington

I doubt counterfeiters will even bother trying to counterfeit this. Why bother? Everything else they're able to currently produce is still legal tender, so why bother trying to make what's harder, when something they already can produce en mass works just fine?