Texel Density Toolkit v1.4 is out; http://forums.luxology.com/topic.aspx?f=83&t=77203 For MODO 701 SP2 only, it's now been rewritten as a Python API plugin, so it's a lot faster than before.
Updated my texel density toolkit to v1.1; http://forums.luxology.com/topic.aspx?f=83&t=77203 Updated my vertex normal toolkit to v1.8; http://forums.luxology.com/topic.aspx?f=83&t=77919 Major overhaul to v2.0 will come with 701 SP2, once the Python API supports the stuff I need.