Bpel 2.0 samples?

[Nicolas Grossi]

People:
          I'm starting with BPEL 2.0 and I would like to search for any 
.bpel sample that introduce me to this new specification, Does any body 
of you have any samples that can share with me or let me know where can 
I search for samples?

Thanks in advance,

cheers
Nico