Apple refreshed its notebook computer lineup Tuesday, introducing faster, greener machines and cutting the price of an entry-level model to about $1,000, all in time for the holidays.

Apple is apologizing to customers this week who had placed orders for its new entry-level NVIDIA-based MacBook Airs, explaining that due to an unforeseen issue, it's unlikely to deliver those systems until shortly after the Thanksgiving holiday.

Mark Papermaster, until recently IBM's vice president of microprocessor technology development, plans to join Apple in early November in a position that will see him working closely with Apple CEO Steve Jobs in what IBM believes is an attempt to expand Apple's presence in the markets for servers and chips for handheld devices, according to the copy of a lawsuit filed by IBM against Papermaster. IBM is suing Papermaster to prevent him from joining Apple and divulging trade secrets related to IBM's Power chips and server products, according to the complaint filed in the U.S. District Court for the Southern District of New York.

Amid the roiling waters of the stock market and economy, which have tossed tech investors around for weeks, Apple Chief Executive Steve Jobs made a special guest appearance on Apple's fourth-quarter earnings call Oct. 21 to try to calm things down.

The first phone that harnesses Google Inc.'s ambition to make the Internet easy to use on the go was revealed Tuesday, and it looks a lot like an iPhone.

T-Mobile USA showed off the G1, a phone that, like Apple Inc.'s iPhone, has a large touch screen.