Please note that you are addressing a post written over a little over 2 years ago. Also Lego is one of the many toy brands that is not easily sourced through wholesale channels especially the new ones.
I also read a post where my colleague Irene had previously address your Lego supplier concerns -
Please note that before comparing prices we need to be sure they are selling the original Lego products. In the SaleHoo Directory, only oo.com.au is Australia based that can supply Lego products - Link hidden: Login to view
And here is a past forum post with supplier recommendations Legos -
Here other posts with a list of Lego suppliers -
Hope this helps a bit!