System 76 has been doing open source right for quite some time now, and it's just unleashed what it claims is the "most powerfull Ubuntu laptop in the world" -- so powerful it needs that extra L. It's the Serval Professional, offering your choice of Intel Core i7 processors ranging from the 2GHz 2630QM to the 2.5GHz 2920XM. Graphics are handled by a NVIDIA GeForce GTX 485M GPU that pumps 1080p worth of pixel dust to a 15.6-inch, LED-backlit di