There is a Graphic User Interface (DFGUI v1.8) that you can d/l
here that I have been using with the DF Client.
It does a nice job of letting you see what the DF client is doing and also shows benchmarks of projected production rates.
I suggest using DFGUI and experimenting (ie: tweak, run for a bit and record the production projections. Then, tweak again.... rinse, lather, repeat... )
You can blaze a train for us all