We’ve seen our share of miniature PCs over the years. They generally get smaller, more power-efficient, and quieter—but they never seem to get faster.Take eMachine’s ER1402 machine, for example. This unique-looking, pedestal-mounted machine is the epitome of the original “nettop” concept: a low-power PC designed almost exclusively to browse the web. And that’s about all you can do with its single-core, low-clock chip.