I've been to Nocona. It IS pretty good. Decently big and you can see rigs of all sizes running it too. There is enough there to keep everybody happy!
Check out my cardomain page. All of the offroading pics are from Nocona. http://www.cardomain.com/ride/166662
My rig isn't too crazy (meaning you won't see the crazy trails on these pics) and there aren't a lot of pics but they do give you something of an idea of whats there.
Also check out www.torc4x4.org its a club in Whichita Falls. That site will help a bit too!