I'm not ready to get started with the new generation of MS tools (WPF, WWF,
etc) although they do seem to do just what I need ;0)

I'm looking for an existing framework (or white paper, tutorial... anything)
that covers the topic of a workflow framework.  When I google for the
obvious terms I'm blasted with results about WPF, WWF, etc - the very
technologies I'm trying to avoid.

So my question is if any of you know of patterns, frameworks, tutorials, etc
that might help someone get started with a business process framework.  I
can think how I would do it if I had to start today, but I'm sure there is
much to be learned from someone else's experience on the subject and I would
save many mistakes and lots of time.

Any suggestions much appreciated.

-Steve