Echo is an interactive internet stereo that has access to your Amazon music cloud. The sound quality is quite good. It has other features that are accessible by voice, and these other features is where the future of third party developers are pivotal to its future.
Amazon has learned well from Apple. The package and design on the product is excellent. The packaging displays the product well, and presents it in an Apple-like manner. One obvious difference is that Amazon uses a black theme while Apple a white one.