Are there gambling odds posted for 2008 presidential election.?

Are people gambling yet on the presidential election? I would like to find a site that posts the *odds for 2008 nominations and elections.
Answers:
WSEX, TheGreek, and Intrade are all sites where I have seen odds posted. I presume there are many more.

Stick with SBR highly rated books. Link below.
http://www.wsex.com

click on politics
you can bet on the republican nominee, the democratic nominee, and the president

According to the site, Senator Clinton is the favorite at the moment
www.superbook.com

Hillary is the favorite for Dems thus far.
Yes at www.intrade.com/v2