Did I mention this before?
Maybe? Just gonna put this here as a reminder, kay?
Sure, you could shell out hundreds of dollars for MS Visio, and get a great product that produces great results.
or, you can follow this link
and get a different great product, that produces great results.
Arrived at via a circuitous route: A Blast from the Web's Past (dig that background gif!)
And, yeah, I'm guilty of a few of these...
iterative arts, indeed!