I was talking with my Google rep today about launching an AdWords ad campaign in a foreign language outside of the US. She led me to a tool that AdWords provides called Ad Preview. I was unaware of this tool, but you can view Google ads as they appear from a PC in a foreign country. For instance, you can search on a Spanish term and see what the SERP (search engine results page) would look like from Mexico. There are other varieties of location targeting like city and region which would be a good research tool for local search. Its nice to be able to see if your competitors are running ads in certain places.
Sneak Peak at SERPs