Libratone's $500 Loop speaker wraps AirPlay, PlayDirect and DLNA in wool

Don't quite have the funds -- or room -- for the circular B&O Play A9 speaker ($2,700)? Libratone's new AirPlay and DLNA-equipped Loop might catch your eye. The $500 satellite dish-like rig packs two ribbon tweeters and a bass radiator, which together pump out enough volume for moderately sized rooms. While the Loop is tiny enough to sit on a nightstand, it also comes with a detachable wall mount. You can even connect devices to it via ad-hoc WiFi if you're away from an actual network, thanks to...