The HDRWavelets interface features a "Midtones balance" option. You can choose among "None", "Automatic" and "Manual". Let's say I want to play with the Manual one but don't know where to start. I think it would be a nice thing if, when in Automatic mode, HDRWavelets showed in the console the balance used. Like "Using a midtones balance of %4.02f". Then, I could easily switch to Manual mode and begin tweaking the value without having to guess.