said Tuesday that its full line of MacBook Pro notebooks now includes
Core 2 Duo processor, making the computers faster and equipped with more memory and storage.
Apple shares were off 57 cents to $80.89 in recent trading.
The computer firm's 15-inch MacBook Pro notebooks ship Tuesday, priced at $1,999 for 2.16 gigahertz model and $2,499 for the 2.33 GHz processor. The 17-inch MacBook Pro will be available next week, and it costs $2,799 for 2.33 GHz.
"We are thrilled that our notebook sales are growing twice as fast as the overall notebook market, and we hope these new MacBook Pro models continue that success," Philip Schiller, Apple's senior vice president of worldwide product marketing, said in a statement.
blew out estimates for its fourth quarter last week, helped along by a surprise 30% growth in computer sales over the same quarter last year.