I heard that PSE 12 has some new features including content aware move etc ( move people from one part of the picture to a different place without involving intensive editing).
http://psd.tutsplus.com/tutorials/tools-tips/the-complete-guide-to-whats-new-in-adobe-photoshop-elements-12/
The Complete Guide to What’s New in Adobe Photoshop Elements 12
http://psd.tutsplus.com/tutorials/tools-tips/the-complete-guide-to-whats-new-in-adobe-photoshop-elements-12/