has been officially released by Adobe and with lower prices
http://www.dpreview.com/news/2012/03/06/Adobe-Photoshop-Lightroom-4-release
http://www.dpreview.com/articles/7481161037/lightroom-4-review
http://www.dpreview.com/news/2012/03/06/Adobe-Photoshop-Lightroom-4-release
http://www.dpreview.com/articles/7481161037/lightroom-4-review