I think the title says it all!
The trailer was released earlier this week and has added to the positive buzz for the movie.
You can see the trailer at kingkongmovie.com; you'll need QuickTime to view it.
For the more fanatical amongst us, there is already a screen-by-screen analysis on kongisking.net.
As it is a holiday weekend coming up, posting will be sporadic for a few days - hope everyone (both in Canada and the U.S.) has a very happy holiday weekend!