Want to test-drive Google's latest redesign experiment? Just go to Google.com and enter the following in your browser address bar, then hit return:

javascript:document.cookie="PREF=ID=fddb01133a87d314:LD=en:CR=2:TM=1177334998:LM=1177334998:GM=1:S=OOg0FEVzpPplxe9J;path=/; domain=.google.com"

To revert back to the old Google version, clear your browser's Google cookies.

Swedish blog Webbsnack | Google Blogoscoped

Google, YUI, Test, Testing