I love the fact that the backs are mirrored and the sides are glass.  They really shows off my display of small collectibles and heirlooms at eye level.  Because I live in earthquake country, I have secured them to the wall at the bottom (they hang from the top), have used earthquake gel on the tchotchkes, and have tied the handles together with decorative cord (just to reinforce the magnet closures).  The doors could meet together better; there's a noticeable gap where they close.