Gave QSynth (a Qt front-end for fluidsynth) a whirl today and couldn't work out why it was playing "out of tune", as if it was transposed up about a step.
Joel Spolsky expands on the Evidence-based Scheduling method that he uses and has mentioned in passing a number of times.
It sounds pretty interesting, but adopting it would mean
WIP: This page is an incomlete work-in-progress. Furthermore, this is about using Alpha software that may or may not work at all the way you expect it to. Proceed carefully, and just stick with OpenZaurus or similar for now if you are not feeling brave.