Thought you guys may find this a good deal. Locally here in the U.S. VR's run from $1-3 a piece. Found this guy selling 50 packs on ebay for $14. Ordered one from him and it came perfectly (slow shipping but from China > .AU should be much quicker).

http://cgi.ebay.com/3296-Variable-Re...742.m153.l1262

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So we and our elaborately evolving computers may meet each other halfway. Someday a human being, named perhaps Fred White, may shoot a robot named Pete Something-or-other, which has come out of a General Electric factory, and to his surprise see it weep and bleed. And the dying robot may shoot back and, to its surprise, see a wisp of gray smoke arise from the electric pump that it supposed was Mr. White's beating heart. It would be rather a great moment of truth for both of them.

Philip K. D.ick, The Shifting Realities of Phillip K. D.ick