There are a lot of developed sites .cc sites:
http://www.google.nl/search?hl=nl&q=site%3A.cc&meta=
even more then .tv
A few years ago I bought this couple:
loan.cc
loans.cc
finance.cc
dogs.cc
switzerland.cc
india.cc
Although it might take a few years before .cc will have it's space in the internet, it's still a good investment in my opinion, especially as China likes to use this extension as well (with
www.on.cc being the best example with an Alexa ranking of 1,066).