- improved performance with new Intel Core i5 and i7 processors.
- 13" model now has a 10-hour battery, while the new 15" and 17" models get 8-to-9 hours of battery life.
- New high-resolution displays for its 15" model, including a standard 1440×900 glossy screen with options for 1680×1050 screens in glossy (+$100) or anti-glare (+$150).
- Powerful next-generation NVIDIA graphics processors
This is the first update to the MacBook Pros since June of 2009, and prices begin at just $1,199. You can read much more about these updates here.
Source: "Apple Releases Updated MacBook Pros With Core i5 and i7 Processors" by Eric Slivka, published at MacRumors.com.