There’s no question Harman/Kardon has extremely talented designers, and its latest speaker set, Nova ($300), is just the latest example. The beautiful system comes with a pair of stereo speakers, each with a clear body, and either white or black accents. Its various input methods allow you to connect to pretty much every device; there’s a 3.5mm plug to connect to standard headphone ports, optical audio for Apple TV and the like, plus…