First instinct was to compare against websites of other programming languages, and (despite the poor choice of mascot) it occurs to me that I'm not really sure what a good programming language website would look like...
Ruby: http://www.ruby-lang.org/en/ (points for having sample code obviously placed!)
Python: http://www.python.org/
Haskell: http://www.haskell.org/
Erlang: http://erlang.org/
Perl5: http://www.perl.org/
PHP: http://www.php.net/