Intel's Extreme X7800 might look like just another inexplicable random model number on the sprawling Core 2 roadmap, but this one's important, because it goes in laptops.
The 2.6GHz CPU comes with a 4MB L2 cache, 800MHz bus and — gamers start your engines — the standard power-friendly dynamic speed adjustment isn't present. This means you get all the performance, all the time, and can overclock it.
Overclocking laptops is like putting rocket fuel in a Ford Fiesta, but hell, it's your life.