Unless you've done it many times before, it won't be easy. The same rule applies if you buy a Linux server. Both are inappropriate for inexperienced users. It runs Linux. But, the basic network settings are configured through a small LCD panel, which is easier to use than a home stereo.
Advanced configuration is done through a Web browser, a tool most everyone knows how to use.
The Qube is very small. It weighs several pounds. It's cute, funky, and not intimidating. It wouldn't look out of place on your shelf, next to your stereo. Configuring the Qube through the Web interface is simple.