While we don't know what capabilities the upcoming Photos app will have we can make some some assumptions based on data revealed on the IOS 8 Photos app covered in the WWDC. I just finished watching the session on the Photos Framework and it's given me some idea of what to expect. Sharing is a major element of the new framework. Many people have looked for a way to share iPhoto and Aperture libraries. The new iCloud photos framework implements it in the only way that would allow sharing across the entire Apple eco-system. The sharing will allow you and your spouse to put both your vacation photos into the same collection and edit them together. Multiple apps can edit photos in the library. The API provides various mechanisms for different apps to edit photos and store the adjustment data. I expect the 3rd party market to come to the table with significant editing capabilities. Multi-device editing will become commonplace. You may take a picture with your iPhone, make a few simple edits like cropping and exposure adjustment then upload it to Facebook. Later you may want to perform additional edits to really refine the image for other uses. You can continue your editing session with the Mac Photos app or another compatible app. The iCloud organization structure looks very similar to the iPhoto/Aperture library. The object framework lets you create events, albums, smart albums, and folders. Since the framework supports I can't see them not including the same organization capabilities. While many lament the lack of a "Pro" photo app from Apple, how many current Aperture users are actual pros? I define pro to be someone whose primary source of income is from photography. I think most fit into the prosumer category. The few pros that I know are and have been using Adobe products.