For some people, Tetris is just a way of life...
Tech Republic asks "Is perfectionism killing your career?" (personally, I'd say it's made it, but there you go), and relates the near-tragic story of Norm:
http://blogs.techrepublic.com.com/career/?p=2087&tag=nl.e101
If you can get past the quoted article from Psychology Today which suggests that perfectionism "is a crime against humanity" (good grief), there's a half-arsed test you can take to find out just how close your personality type might be to that of...oh, I don't know...Stalin? Saddam Hussein? Simon Cowell?
http://discoveryhealth.queendom.com/perfectionism_abridged_access.html
Good luck with that, and have a great weekend.