You have GOT to see it to believe it.

It automatically lays out and draws graps inside IntelliPad using a minimal subset of the venerable GraphViz's dot language (namely, node1 -> node2).

It is available @ http://www.sixpairs.com (please watch the screencast)

-Ciper

ps: You don't have to have GraphViz installed to use it!
pps: 32-bit only (if you want to ask for the plug-in)