A lot of the people who have had NITs for a good while, and knew about the tuning settings have already done so by hand in xterm. I know I did ages ago.

What would be good would be a small app or control panel applet which had a graphical interface along with guidance as to what is being changed, the expected effect, and any downsides

I think TB is sincere and I do not want to belittle his efforts, and don't appeciate others doing so. TB is trying and should be supported.

However DiabloTurbo has been announched prematurely, and it should have been clearer what the app/script does, as makes everthing 50% faster is most probably a bit of an exaggeration.

Stick with it TB and use this as a positive learning experience. I do hope that Diabloturbo can morph into a useful tuning panel in Controlpanel. .