There are plenty of people reporting and blogging about CES 2009, and I won't have time to digest it all for a while. I've embeded the CNET overview video below, which includes a demonstration of some interesting interactive technologies and applications.
If you want the latest scoop, your first stop should be CNET's CES 2009 website. It is almost as good as being there, and you won't have to deal with the crowds.
Here is the overview video from the site:
Lots of cool stuff, like 3DVU's Way2Go 3D mobile mapping and GPS system:
3DVU's Way2Go Website
(By the way, if you are interested, here is a link to CNET's MacWorld site.)