http://img295.imageshack.us/img295/3682/somethingdifferent.png

Never seen this before.
Works with girl's names too :)

it appears some times.
also for google
http://www.google.com/#hl=en&source=hp&q=google&aq=f&aqi=g10&aql=&oq=&gs_rfai=&fp=e3902e67458d46c2
yahoo
altavista
lycos
excite
hotbot

also for cars ;
http://www.google.com/#hl=en&source=hp&q=toyota&aq=f&aqi=&aql=&oq=&gs_rfai=&gs_upl=3584%2C80%2C8%2C0%2C0%2C0%2C&fp=6f146f4f6152193c

and colours:
http://www.google.com/search?q=red

SNS:
http://www.google.com/search?q=facebook

Planets:
http://www.google.com/search?q=earth

And some with different meanings:
http://www.google.com/search?q=star
http://www.google.com/search?q=the+sun

I would have expected this feature to use the same technology as "Google Sets", but it doesn't.

If you search for [ringo starr], here's what you get for Something Different:
paul mccartney, george harrison, john lennon, mick jagger, eric clapton
http://www.google.com/search?hl=en&q=ringo+starr

However, Mick Jagger isn't anywhere on the list of 44 musicians returned by Google Sets.
http://labs.google.com/sets?hl=en&q1=ringo+starr&q2=&q3=&q4=&q5=&btn=Large+Set