If Lightroom is running a little slow for you, a hardware, preference setting, or workflow change might improve performance.
Check out Lightroom Performance Hints.
The Lightroom team is always looking for specific performance issues and coming up with fixes. The most important performance tip is to check for updates. In Lightroom choose Help > Check for Updates.
Comments
That would be a good link to add here:
http://blogs.adobe.com/adobecustomersuccess/2011/10/25/optimizing-for-performance-with-adobe-applications/
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