Those are beautiful! I also love the knife blocks he has. I have to wonder though, how much of a pain it could potentially be to clean the blades with the holes in them. It your are cutting something messy that gets in all those little holes you might be sitting there with a q-tip or toothbrush or something trying to get the gunk out. I don't think that would stop me from getting one though if I had the $ to spend.
You could just toss them into the dishwasher
"If you want to make an apple pie from scratch, you must first create the universe." -Carl Sagan