Great post mate, but I'm pretty sure I have seen in an investor presentation somewhere, where Buddy have explicitly said they are already working with HomeDepot (amongst others - Coles, United, US Cellular etc).
http://hotcopper.com.au/threads/winner.2558194/page-10?post_id=15701027#.VixAGRArI0o
Thats certainly not to say they aren't working with Sears also?