http://www.youtube.com/watch?v=0MoxrUZmRqU&feature=youtu.be
Here's the key comments:
Re the PFS:
"Wouldnt have gone this far if they werent confident"
Will be released for the Broken Hill conference - that starts 22nd May
"Premium product..hunted by the chinese"
and in Nick's words.."Reasonably confident".