It’s been over 500 days since Apple updated its MacBook Pro. Now, the wait is over. And while the company’s new line-up of high-end laptops looks awfully similar to the previous version from the outside, there’s a world of difference, starting with what Apple calls the “Touch Bar.” First, the laptop itself, which comes in 13 and 15-inch varieties, and which retains the same basic look that has defined the Retina MacBook Pro for years now.