Many improvements and new functionnalities are planned for this new version: your desktop will be smart and connected! Smart desktop is still one of the focus of main version, you can have a look on the coming roadmap. But you will find also easy home encryption so that your personal data are secured even whereever you are. Also planned a big work on our tools to manage softwares installation and update to give more useful information and help user in choosing the best of open source softwares.
Read the full thing at http://blog.mandriva.com/2010/01/09/on-the-road-again-with-mandriva-linux-2010-spring-alpha1-2/
This was announced a couple of weeks ago, just catching up....