I guess all items have a set value of 0 by default and that is fine.
I am just looking for some suggestions from the community as to were to find a good formula to calculate set values so that they make sense. I don't like the idea of just picking random numbers out of the air it is bound to cause turmoil if someone thinks they are paying to much.
There used to be a few mods that did this for you in game. I don't recall what they are but used be hosted on ui.worldofwar.net that has now changed to wowui.incgamers.com. They were listed under the raid category.