http://learnxinyminutes.com/docs/perl6/
A little bit of self-promotion here...
You don't even need to know Perl 5...
(but it certainly helps)
http://perl6advent.wordpress.com
One of the oldest, but still probably the best
source of examples of Perl 6 features
Not many code examples from 2010 and earlier, because the compilers weren't as advanced then.
http://http://perlgeek.de/en/article/5-to-6
If you speak Perl 5, this will feel the closest to home.
http://rosettacode.org/wiki/Category:Perl_6
Lots and lots of examples...
... But not as much explanations.
http://perlcabal.org/syn/
You don't want to read all of these...
... But if you want to know the juicy details,
this is where you should be headed.
S02=syntax basics, S03=operators,
S05=regexps, S06=subroutines, ...
By Vendethiel