When it comes to portable Bluetooth speakers, the Jambox is by far my favorite. It may not be the best-sounding, or give you the most bang for your buck, but I love its build quality and design, and the fact that Jawbone issues regular updates.
In fact, it just rolled out an update today for its Big Jambox line, bringing its firmware to version 2.0. The update features new AAC support for iOS 6.1, which will provide better audio streaming with less dropout, and improved battery life...