ECOEGGS : don't buy them. Marketing at its despicable worst.
I buy eggs with the RSPCA approval. They are more expensive, but I trust the RSPCA and any extra money they cost I consider to be a donation to them. CHOICE also recommend FREPAA and "Australian Certified Organic".
http://www.choice.com.au/shonkyaward/shonky-award-ecoeggs.aspx?utm_source=et&/shonkyaward/shonky-award-ecoeggs.aspx