Analysis -- Over at our sister site LinuxDevices, we're always looking at small, embedded-Linux systems. While reviewing Freespire recently on a Mini koobox, an Apple Mini-sized system, I began to wonder, Just how small do full-featured, Linux-powered PCs come? When I say full-featured, don't mean Internet tablets, like the Nokia N800, or PDAs (personal digital assistants), such as Palm's Foleo mobile companion. No, what I wanted to see were real desktops or laptops that I could fit into a coat pocket. Here's what I found.