Nexus

The Broken are in the beastary of the expansion site, it will be highly odd if they had these as the alliance race and have it out in the open and not reveal it.

Eredar are very much like the descriptions, there is a link to the term "broken" since some of them had the leaders hold broken over them but a whsip spirit(april fools anyone?) freed them.
http://www.wowwiki.com/images/thumb/7/72/Eredar.jpg