Here's an article by Adobe for my fellow photogs, specifically those who use Adobe Lightroom. The article deals with optimizing performance in when using Lightroom.
Also, if Lightroom presets are your thing, check out this page. Most of them are paid for presets but they have a couple of free samplers. I also subscribe to this site. This guy has a ton of free presets that are great and he posts new ones all the time. His newest is "The Hangover" app. It replicates the feel of the cinematography of the Hangover movies.