Attached Link: http://www.blender.org/development/release-logs/blender-244/subsurface-scattering/

They just added a SSS panel to the newest version of blender.  There's also a blender shader that can fake it in the blender freestuff (look for oodmb).

I believe Indigo has had sub surface scattering since .7, but I don't know how good it is or if there are any tutorials for it.