I'm using CS on XP. I'd love to set Photoshop to start batch-processing my files, then walk away from the computer to do paperwork and have it alert me with a noise when it's done. I know there's a "beep" setting in preferences, but it seems to only use the system beep (as opposed to a sound file of my choosing), and it uses it after EVERY process that takes more than a few seconds (opening a file, blurring, etc) and not just when it's done batch-processing.

I can't really be the first person who has thought of this, can I? Is there any way I can do this? Right now, it's my most-sought-after feature.

Anyone?