If you have questions about the new Lightroom 4 Beta, I have a post I found on Adobe Blogs that may shed a lot of light on your burning questions about Lightroom 4 Beta.
Meet Lightroom product manager Sharad Mangalick and get the answers to your questions. Sharad answers a lot of questions on this post.
I highly recommend this post and here’s a link for you:
Your Burning Lightroom 4 Beta Questions Answered!