Very expensive
Functionally vPost has worked for me as promised, complete and in a timely fashion, however the shipping costs were way more expensive than I would have reasonably expected. They do not repack items for you into a single carton, instead simply sending multiple items in their original cartons and adding onto the costs with each extra item. On top of this they include their own processing fee of $22.50. All up my delivery of three items (about 30x20x10 cm and less than 1 kg each) cost me over $100 to ship to Australia, which is roughly what I would have been charged if I just got each item shipped directly from their original vendors, and thankfully free shipping within the USA is pretty common otherwise that would have greatly increased the costs. You are better off asking any friends you might have within the USA to be a shipping agent for you as I am sure they will actually be able to keep costs down for you.