i found this online, scroll down a lil bit, it describes the loot system..
Just cause some ppl dont kno what it is.
http://dkp.brotherhoodguild.net/viewnews.php
There are many variations. Ilterendi for example use a set price, high DKP gets item system with separate DKP's for class items and non-class items.
DKP's are evil till I get some back. (-lots of dkp right now).