An early version of BEPUik, the full body inverse kinematics add on for blender, is now available.
Check out the announcement thread over on blender artists for more.
BEPUik started out as an experimental addition to BEPUphysics (currently available in the development fork):
This system was then ported and integrated with Blender. The result:
Finally and least importantly, I have a twitter account which has more than zero tweets on it now. Squashwell has one too.