First off, I would like to thank the developers for creating a very useful and stable program. Excellent work!
My suggestions for a future release:
1.) Doing a full erase of all the unused areas on a disk is very time consuming. It takes me hours to do a full wipe of an 80GB disk with the DOD 7-pass setting. I would like to suggest that Eraser keep track of which sectors have been erased in a previous disk-wiping session and remain unused since that session. This would speed up the process of subsequent full disk wipes, because these previous sectors wouldn't need to be wiped again.
2.) I think that it would be more intuitive if the erasing options (Gutmann, DOD, Pseudorandom, cluster tips, etc.) could be specified for each individual task in the task list, instead of the way they are currently specified.
3.) It would be helpful to be able to pause the erasing, currently there is only a stop button.
4.) It would be nice to be able to minimize the program window during an erasing session.
Thanks again, and good luck with the next release.