BIS Items Addon

Hello everyone,

I have started watching streamers do icc on retail and i saw this one addon where when you hover it, it shows things like bis p4, alt p3, and so on.. Its called LoonBestInSlot, and when i added it to warmane wow it doesent work. Now im wondering is there a version that works on warmane, or is there some similar addon that works in same way. Addon seems really usefull if u have a lot of characters or if you are raid leading and you just dont know all the bis items for diffrent classes.