It is certainly worth shipping from overseas now. I think the big gripe is the local support. With n obody here affiliatede with ECS and the like to answer questions, maintain products, fit/install to ECS standards (We are all aware of the solid name you have in the states) it can be off putting.
People putting the effort into shopping around are likely to end up with ECS as they are reputable. As said above, a "shopfront" in Oz in not likely feasible because of our small market.