Is this the real deal Echinata?

[t0mmy108]

I was thinking about ordering this....Has it become common now?
http://www.liveaquaria.com/product/prod_Display.cfm?pCatId=2501

 

[Znut Reefer]

Not sure if it's the real deal or not. I got a frag of it from "Tubs".
Mine has the purple or light blue polyps. I don't know how common it is. But a very nice acro either way. JMO