I'd consider myself a photography prosumer. It's certainly a hobby for me, but one I enjoy learning about and am willing to spend money on. I moved from iPhoto to Aperture about 4 years ago and I have a 170 GB library that I'm trying to clean up. My library lives on a Mac Mini in my home office (which syncs to an ATV, 3 iPads, and 2 iPhones). To work on my backlog elsewhere in the house or on trips, I export portions as new libraries to maintain on my older MacBook. I travel significantly for work (work laptop is a PC), and usually import pictures to my ipad with a camera connection kit. I recently started using PhotosInfoPro to maintain some metadata (location, keywords, title, etc), which then exports to dropbox so I can pick them up in Aperture when I get home. Aperture's interface and editing capabilities are enough for my needs, so I wouldn't switch out of any desire for improvements there. I also don't need or want Photoshop (so the CC LR+PS bundle isn't of much interest). My issues are 1) not having an easy way to maintain metadata on my iPad, and 2) not being able to access my library from my work laptop. It seems like Lightroom could solve 1, maybe not 2. For 1, I could use either Lightroom Mobile or Photosmith to import new photos, maintain metadata, and sync directly back to LR. This would also let me work on my backlog remotely. For 2, can LR work on the same catalog on multiple machines? If not, can you export parts of a catalog (like export folder to new library) from a Mac and then work on it on a PC? As to cost, can you still get LR as a standalone app? I know that wouldn't work with LR Mobile, but Photosmith would likely fill my needs. Would you need separate licenses for a Mac vs. PC version? The funny thing is if Apple had included some way to maintain metadata from an iPad, I'd never consider switching. PhotoScope is promising, but not quite there yet.