Just received a reference to this gallery of  network
visualizations.  The site is new to me, but perhaps not to all of
you.
http://www.visualcomplexity.com/vc/index.cfm 

Be sure to drill down in the “About” link for additional riches. 
There are hints of potential here but for the fact that much of the
design is in the ever-so-cool black and gray, which means
it's a chore to extract any meaning.
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Goal

VisualComplexity.com
intends to be a unified resource space for anyone interested in the
visualization of complex networks. The project's main goal is to
leverage a critical understanding of different visualization methods,
across a series of disciplines, as diverse as Biology, Social Networks
or the World Wide Web. I truly hope this space can inspire, motivate
and enlighten any person doing research on this field.

Not all projects shown here are genuine complex networks, in the sense that they aren’t necessarily at the edge of chaos,
or show an irregular and systematic degree of connectivity. However,
the projects that apparently skip this class were chosen for two
important reasons. They either provide advancement in terms of visual
depiction techniques/methods or show conceptual uniqueness and
originality in the choice of a subject. Nevertheless, all projects have
one trait in common: the whole is always more than the sum of its parts.

How it started

The idea for this endeavor started on my second year MFA program at
Parsons School of Design. During this period I conducted extensive
research on the visualization of complex networks, which culminated
with my thesis project Blogviz: Mapping the dynamics of information diffusion in Blogspace.
One thing I found while exploring this area was the lack of an
integrated and extensive resource on this subject. This is the main
reason why this project came to life.

Later on, as a teaching assistant of Information Architecture at Parsons Design+Technology

program, together with Christopher Kirwan, I was able to consolidate
most of this research as part of an independent study. The key chunk of
projects shown here was gathered during this phase. My ultimate goal is
to keep adding new projects to a still undetermined limit.