have they really discovered anything new?

I'm struggling to see how these results really add much tonnage to the already released JORC compliant resource of the High grade zone of 210,000 tonnes @ 11.65% Cu for 24,500 tonnes of Cu.

The high grade results today are all at the same locations completed in the 2008 campaign, and subsequently used in the resource estimate.

2010 hole ARVD-80 location 638050.0, 9309024.7 32m @ 14.79%
2008 hole ARVA-17 location 638050, 9309015 38m @ 7.49%

2010 hole ARVD-72 location 638104.5, 9308999.1 6.15m @ 8.06%
2008 hole ARVA-24 location 638105, 9309005 26m @ 5.47% from 18m

2010 hole ARVD-74 location 637978.1, 9309045.4 2m @ 8.09%
2008 hole ARVA-49 location 637980, 9309050 20m @ 5.12%

Holders also must remember how small this high grade zone is, page 8 on the below puts it into perspective. Comparisons to Prominent Hill and Sandfires discovery are laughable.

http://www.asx.com.au/asx/statistics/displayAnnouncement.do?display=pdf&idsId=01035516