[jmpeax]

There has to be a better way to view this than the tangled web of overlapping lines, like that at lower left of the "services" rectangle on the right, even with the selection highlighting. Perhaps there is not, and it is fertile ground for developing a new visualization.

[nine_k]

Click any node, and everything not related to that node fades.

The tangled mess kind of picture is still sometimes useful: you can roughly see bunches grouped, and notice things that are all over the place.