Success!

$ rpm -q rakudo parrot
rakudo-0.6.3-1.fc9.x86_64
parrot-0.6.3-1.fc9.x86_64
$ perl6 -e '"Hello".say;'
Hello
$ perl6 -v
This is Rakudo Perl 6, revision 0 built on parrot 0.6.3
for x86_64-linux-thread-multi.

Copyright 2006-2008, The Perl Foundation.