Bookends vs Bookracks - So What?

At the SwagOfYarns Blog the article talks about how a book rack can be better than book ends for the desk top. I hadn't really considered that there was any substantial difference, but after reading that, I realized that I needed a better solution since my book ends were constantly falling over and I had to keep adjusting them. A desk top book rack, especially if it has a mechanism to help hold books upright seems like a better solution - and it's easier to clean around too.
Now if someone would come up with a real method to contain the cords, AC adapters and wires that doesn't have to be disassembled every time something gets unplugged or moved!