The SSDs and lack of optical drives do seem like the natural step for the laptops. After all, Apple's new MacBook Airs feature SSDs and ditch the optical drives as well.
With speeds and durability like that, it's a new format that could replace just about ever plug on the back of your computer. Devices just need to start using it.
We'll see if these rumors end up panning out, but they certainly seem reasonable enough.