The CR-48 was a statement. Google wanted to prove that the browser was the OS. Everything lived in the cloud. No local apps. No admin privileges. Just a fast boot, a persistent 3G connection (via Verizon), and a keyboard with a Search key where Caps Lock used to be. It was ugly, plasticky, and deliberately boring. That was the point.
: MobLab includes two separate Ethernet interfaces (often one managed, one monitor) and extra GPIO for external sensors.
So, what are the key differences between these two devices, and which one is suited for your needs?