you looked at the wrong numbers because it does say 22, 22, and 25 for the 3 12v rails. the 33 you looked at was the OCP Set Point.That psu has 2 ,22 amp rails and a 25 amp rail (newegg). It should be ok.
http://www.newegg.com/Product/Produc...82E16817371015
Edit ..The Antec web site says 3 ,33 amp rails?
http://www.antec.com/Believe_it/product.php?id=NjY=
you looked at the wrong numbers because it does say 22, 22, and 25 for the 3 12v rails. the 33 you looked at was the OCP Set Point.