thanks for the replies,

I dug a little deeper and found out about the time thing and this link http://www.mediafire.com/file/brjzmnqzbcv38fp/RichSectionv0.5.8FULLByDimitri.zip:
where a modified plugin can be found.
Works in SU16 and seems pretty good although you can only have one material for the section cut.
Trimble/Sketchup so needs to address this issue with sections in my view.

cant get 'rich section' plugin to work in SU16 or 17, is it me or does in only work in older versions?