I came across this info in another forum. The Jimmy Rigger is about to be released - July 15th. This works with Lightwave and looks like it integrates easily.

http://www.youtube.com/watch?v=DrA7mgtf-T4
http://www.youtube.com/watch?v=rzbbhGmm8hI
http://www.youtube.com/watch?v=RgyEzvSr66o
http://www.youtube.com/watch?v=9G_HyYFe2Pw

I googled a bit for more info and could only find other forums, no Jimmy Rigger wed site.