Comics Continuum have posted some five-page-previews of forthcoming IDW comics, including the first issue of Countdown (which they say is out this week, but midtown comics disagrees with that...). The preview show's David Messina on top form once more, with Nero on a red Romulan ship, hmmmm. The stardate given would place this opening in about 2387. Here's one page:
See the original report for the other pages and the cover.
UPDATE: David Messina has also released some of these pages on his blog, with versions at various stages of completion.