So I saw this at a friend's house and thought it was a great idea. We mounted ours near the stove and prep surfaces. We're happy with our magnetic knife holder (www.kegworks.com) for the following reasons:
1) keeps our knives sharper if not tumbling around in drawers
2)keeps sharp knives out of reach of our daughter who likes rummaging while "laying the table."
3)frees up counter space from our knife-block wedding present
4) can see all your knives and grab them easily when cooking
Also, I screwed up and ordered the wrong one initially. Kegworks was really good about my questions to customer service, prompt with the new order and the refund.