I was cruising Antec's website and found this:
http://www.antec.com/Detail.bok?no=643
Looks like its designed to bolt straight up to the 200mm fan on the 900 and 1200.
http://www.antec.com/Detail.bok?no=643
Looks like its designed to bolt straight up to the 200mm fan on the 900 and 1200.