As you prob already know, you have to register.

edit: As it seams they are still embargoed , so I took my link out.
but if you want to see them, go over there.

 

They are all still embargoed.

 

"Publisher's Note: The following information was originally embargoed until 12:01AM EST, January 10th, but seeing as we received our February issues of Car and Driver and Road & Track on December 30th with the new 2006 Corvette ZO6 and Cadillac STS prominently featured on the covers, the embargo was officially "blown" as far as we're concerned. We understand the pecking order in this process, with the "buff" books receiving favorable treatment at every turn, but in the future there should be one embargo date for the magazines and one for everyone else, so that everyone knows what the deal is right up front. That said, these are two sensational cars from General Motors. - PMD "