Apple today announced updates to its MacBook Pro line, offering improved performance with new Intel Core i5 and i7 processors. The new 13" MacBook Pro models carry a 10-hour battery, while the new 15" and 17" models are claimed to carry 8-to-9 hours of battery life. Apple has also introduced new high-resolution displays for its 15" MacBook Pro, offering a standard 1440x900 glossy screen with options for 1680x1050 screens in glossy (+$100) or anti-glare (+$150).