In mid-2015 I migrated my photo library from Aperture to Lightroom. I've really warmed up to Lightroom. It's a very capable asset manager and the Develop module shines for post processing. If you're considering a move from Aperture to Lightroom, grab my free Aperture to Lightroom migration guide.
This is a living page, so check back often for new tips. And if you have a question about Lightroom, send me a note through my contact page.