It looks fine.  However, the materials are extremely cheap and lightweight.  The screws that came with the package bent very easily under the weight of the shelves, so I picked up my own screws and anchors at the hardware store.  I am considering adding some brackets to help support it on the wall, as it is not sturdy at all.  If you place a book or object near the end of a shelf, it bends downward.  I'm ok with particle board, because that's what I expected, but the design doesn't really support itself.
Installation took some time, because you need to perfectly align the screws and anchors without a template.
Again, it looks fine.  But it's not fun to install, and don't expect it to last very long.