Herbert:
> http://www.ctan.org/tex-archive/graphics/pstricks/doc/pstnews1-14.pdf
> or section 3.4 in
> http://www.ctan.org/tex-archive/graphics/pstricks/README
>
> \usepackage{pstricks}
> \usepackage{pst-node}
> is the correct sequence
AH! Thanks!
Tom