This is Dell's Vostro V13. It looks like a dream, and it's cheap -- but there's not much raw muscle here, and no battery life to speak of. No, this descendent of Dell's iconic Adamo didn't prove a suitable MacBook Air rival, but we know one that might -- Dell's oft-teased, never-seen thin-and-light. Now, CNET's anonymous sources have come forward with news that Dell will introduce the thinnest