Personally, I like that Aperture (and iPhoto, for that matter) use packages instead of folders. It took away my desire to be a "file location control freak" and

Personally, I like that Aperture (and iPhoto, for that matter) use packages instead of folders. It took away my desire to be a "file location control freak" and just focus on the photos. Other enthusiast friends of mine hate the package approach because they're very used to the file management approach, so YMMV.