It would make the DMI editor a lot more useful being able to change every state in the file into alpha, Designing in DMI has become better i must admit but a personal example is having to work with a base icon that has 20+ states, making items for it then having to then cut each individual icon state

(Image was for something else but still applies here) http://files.byondhome.com/Chrisg1/How2.png