After admiring the Zune HD’s slim good looks, now we’ve installed its software and taken it for a spin. We loaded the $290 32GB media player with music, videos, pictures and podcasts, tested out its user interface along with the Zune 4.0 software, and then we put it atop its dock and cranked out some 720p HDTV in our home theater. What did we think? Continue reading to experience it yourself.