Today Adobe Released the final version of Lightroom 5. If you have a previous version of Lightroom you can update for $79. Or for $149 purchase for the first time. Or you can also get it as part of the Creative Cloud.
Probably one of the best ways to understand all the cool new features in Lightroom 5 is to watch Julieanne Kost's What's New in Lightroom 5 video series. Julieanne walks you through:
For real estate photographers the new automatic Perspective Correction feature in Lightroom 5 is worth the price of the upgrade, it takes the tedium out of correcting vertical and leveling horizontals!
For and even more detailed list of Lightroom 5 resources take a look at the adobe Lightroom Journal blog.