Hi Michael, I've made quite a few underlying changes to the GUI code that you might be interested in playing with. I've shifted the storage of data into the relax data store, although the model-free data is not yet converted. This doesn't seem to work perfectly though, I'm guessing text fields will have to be checked before saving the state and updated after loading the state (this seems to be a problem with the original version too). The analyses.auto_model_free module is now completely broken up (the relaxation data loading panel could be broken up more, or even be in its own module) and in a much more flexible form. I should be able to soon have model-free analysis up and running. If you have any changes, please be sure to submit patches as soon as possible. Cheers, Edward