Looks kind of interesting actually... a little concerned that the pics seem to be from 2001
Not really a big believer in open-air cases, though. With some forethought it's not too difficult to achieve the same or better results with an enclosed case as far as GPU temps go. If I did go open-air, though, I would probably pay more for something like this:
http://www.antec.com/Believe_it/product.php?id=NzA0&lan=usNot only would I feel it secured my components better, aethestics should never be overlooked.