Resources or tutorials for the new particles in 2.40?

Are there any tutorials or resources on the new particles system in 2.40? I am trying to get the hang of it, but I can’t seem to find any tutorials out there. Do any even exist?

From the release notes:

http://www.blender3d.org/cms/New_Particle_options_a.721.0.html

http://www.blender3d.org/cms/Hair_Strand_Rendering.722.0.html

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