The CES big circus has just started. If you can't make it to Las Vegas, you can still attend the show and get the whole flavor of it... on the Web.
See here, here, and here. Lesson : WebTV is the future. And the present, too, should you have a broadband access.
Ed. note : for a full coverage of CES'08, Robert Scoble has the list.
Post-Scriptum : I wonder if the folks at the Optical Society Of America are going to offer the live coverage of the forthcoming OFC-NFOEC exhibition in San Diego next month.