2009 Macbook Pros

Definitely a great idea to give a 13-inch option-- the reason I didn't get a Pro was partly because they were too big!

Gizmodo gives an in-depth review here

Their conclusion:
It's cheaper, faster, has more consumer-friendly features and now even has a 13-inch option for people who need slightly more portability. Those people who were waiting for the second-iteration version of a new hardware design (a pretty smart rule to follow with Apple products in general) before upgrading can safely do so now—and get a better deal in the process. [MacBook Pros]

It's cheaper, faster and has a nicer screen

SD card slot more useful than ExpressCard for vast majority of customers

MacBook Pro line now has a 13-inch option

Built-in battery means increased battery size, and that means about an hour longer battery life