I haved used the alphas, betas and v5.0, 5.01, 5.02. What happens is that after a few days the setings get reset, AS IF the file "winamp.ini" were to be deleted !
Is it a "feature" of winamp 5 ?
If it is , it a quite irritating. I have to do all the settings again.
For now I keep a backup of the "winamp.ini" file.