Fluff has posted that a new free version of the Shell for the PSP is coming soon and this news:
Psix upon next beta release, will include a fully functional and full featured backup system. Psix will now save your configurations, so no having to setup your stuff again after exiting psix, additionally, the audio player will be upgraded with a fully functional playlist with save/load playlist functionality, as well as a fully operational audio visualizer.
Homebrew scanning has been modified so that the old bug of multiple instances of the same application is no longer an issue.
The release will be sometime in the future although its not known when.