The Ad Preview tool from Google also shows organic search results and how they look to users around the world.
You can see just how rankings differ from country to country and place to place – worth considering when researching keywords. Geolocation and personalisation really mixes Google rankings up too.
I forgot all about this tool until I recently saw it mentioned by AlyssaS on Webmasterworld I thought it might be useful for some. There are desktop programs and online tools that allow you to do this too, and track your rankings over time. It’s worth noting Google does not like rank checker programs.
I’ve collected my favourite seo tools here.
PS – Use a rotating proxy.