Forged Alliance

http://www.wowheadnews.com/blog=197286/ ... ation-sets

The link takes you to wowhead which added over 1100 armor sets from uncommon to epic to browse and allows you to see which set would be right for you as well as list the items within those set pieces for easy tracking.

also note that some items are no longer obtainable if you found a set that you liked