Mashable Tech Correspondent Ray Wong got a look at Samsung's new Galaxy Tab Pro S at the new 837 Samsung Experience store on Thursday. The biggest drawback with 2-in-1 tablets that seek to replace laptops is that they don't come with keyboards. Yet you're forced to buy the keyboard separately in order to take full advantage of their productivity features. Samsung resists that trend with it's new device available on March 18 for $899.99.