Armed with a longer battery life, a new SD card reader, faster processors, and support for up to 8GB of RAM, the new line of MacBook Pros are taking Apple's notebook experience to the next level. And by the way, they're cheaper too. In fact, Apple has added a 13-inch model to the family, summoning cheers of joy throughout the throngs of former 12-inch Powerbook users clamoring for a smaller professional grade notebook. But what else does this new lineup mean for Apple?