Photoblog plugin to bulk change the published dates of a selected post type to the EXIF:capture_date of the Featured or 1st attached image of the post
Probably not. It is simple, straightforward, and ugly. If there is a feature you think would be absolutely killer, let me know, and I'll what I can do.
Possibly - though I do this in my spare time.
Post on the WordPress.org forums would be your best bet - so others can benefit from the discussion.