[Perl 5.10.1](http://www.cpan.org/modules/by-authors/id/D/DA/DAPM/perl-5.10.1.tar.bz2) [has been released](http://www.nntp.perl.org/group/perl.perl5.porters/2009/08/msg150172.html).  You can download it from the CPAN, or if you can't wait, [here](http://www.iabyn.com/tmp/perl-5.10.1.tar.bz2).

Next, you need to build it:

```bash
mkdir ~/perl/5.10.1
cd ~/code/build/perl-5.10.1
perl Configure -de -Dprefix=${HOME}/perl/5.10.1/
make
make test
make install
```

Add the path to your environment

```bash
export PATH=${HOME}/perl/5.10.1/bin:$PATH
```

and install your CPAN's modules:

```bash
PERL_MM_USE_DEFAULT=1 cpan Bundle::CPANxxl Task::Kensho
```

Now you can start to play with it :)