Here's Telles again with his little idiotic suggestions <img src="smileys/smiley36.gif" border="0" align="middle" />
How about multi select frames on the editor to edit some proprieties?
For example, if you have an animation and want edit the frame speed of the first 2 sprites and the last 20 sprites, actually you'll need make it one by one.
If you could select them using CTRL and SHIFT (like the selecting system to import multi files), it will speed up you job.
Another example, I have a boss, he died, his animation for the dying have about 50 frames, 25 of them will need to be 2 times slower than the others.
Or you export the project in folder and edit the source file (and may broke something) or make it one by one. The same if you want change the origin point, the collision polygon, etc.