Have you tried a VPN? If I log into my VPN through the UK, I get tons of results from Google that seem to be UK-centric. If I log in through Dallas, Texas, the results look very much the same as not using a VPN at all. Log in through Denmark, and everything is presented in some language which I presume to be Danish, and I have to click the little UK flag to get English results. I don't know if I can log in through Oz or not - I may have to check that out. There is a LONG list of places that I can log onto the internet through, but I've only tested a few of them.
You might give it a try, if you want regionally / nationally / culturally flavored search results.
Yes, I realize that you've asked for unflavored results, but my idea offers different flavors, which might satisfy your cravings after all!