256 NZD for 250,000 Cobblestones {wu credits} when the BOINC server is up 
and running... but this is just a rumor.

It is mentioned in one of these links, I believe a longer one -- or several 
of them midway thru.

http://www.tnaflix.com/view_video.php?viewkey=e2ebab41d96388c47ff2

http://www.tnaflix.com/view_video.php?viewkey=d5d235a2e01d7a1a5b43

http://www.tnaflix.com/view_video.php?viewkey=742fd71f4fdd4cba9414

http://www.tnaflix.com/view_video.php?viewkey=764aab5c68f62979c320

http://www.tnaflix.com/view_video.php?viewkey=2838b20551ee482d46fb