Yamaha seems to be pushing its newly unveiled yAired technology pretty hard, with the second system to sport it unveiled just weeks after the first. The $399.95 MCR-140 is far from being the most stylish mini stereo we've seen -- in fact, it's probably one of the ugliest -- but it is available in a rainbow's worth of hues (or just ten), and it does talk to iPods and subwoofers sans cabling. Aside from that, you'll also get an old fashioned CD player, a front-panel USB socket, an iPod dock on the top, FM radio tuner and mini jack inputs for other sources. The box itself packs a pair of 4-inch drivers and ships with a bundled remote, and if you're not so interested
