I rewired and mingled some really useful xpresso setups out there to build me a kerning solution for C4D. Parts of the xpresso nodes are from per-anders great clone info hierarchy and from Tim Clapham’s In-/Exclude python setup. Also Douwe&Yakuza helped me out with adapting the coffee part. So thanks to all of them. Grab it here:

Be sure to read the remark :-)
Edit: You don’t have to place your MoText Object into the Kerny Setup Hierarchy, I only did it to have a cleaned up object manager. The important part is to replace your text object with the existing one. Otherwise the xpresso won’t work. (no audio)