The Mac Observer | Dell Unveils Its First Ultrabook Notebook, Taking on MacBook Air BusinessWeek By Aaron Ricadela Jan. 10 (Bloomberg) -- Dell Inc. is unveiling its first ultrabook-style laptop at the Consumer Electronics Show today, challenging Apple Inc.'s MacBook Air in the burgeoning market for thin, light computers. Dell's XPS 13 is less than ... PC Notebook Shipments Tank, Apple's MacBook Air Surges Ultrabooks: Strategic vision or just a pretty face? Ultrabooks: Intel Tries to Bring PC Sexy Back |