Tack “&udm=14” on to the end of a normal search, and you’ll be booted into the clean 10 blue links interface. While Google might not let you set this as a default, if you have a way to automatically edit the Google search URL, you can create your own defaults.
Must be logged in, in my experience.
Saw it appear on a first search from a logged in US Google account, then disappeared on a second search* - but allowed itself to be re-enabled from Labs.
*granted, I was testing the pizza glue search
Crazy. Normally it’s annoying that tech companies limit some features to US only, this time I’m all for it.