Interestingly, the advantages of using a similar horizontal fan and housing can be found in other products.
Either that, or this new Antec "Skeleton" PC enclosure was designed by a rabid Porsche racing car enthusiast.
Seriously. This is a new product from a well-known maker of PC enclosures and power supplies.
http://www.antec.com/Believe_it/product.php?id=NzA0