The screen shots look great and some of the new ideas sound good like hometowns and stuff.Also, the time period goes on yet again.The graphics are completely different from the previous version, and while I'm more of a fan of 2D RTS's myself, the 3D they're doing with this looks terrific.
Check out the website:
http://www.ensemblestudios.com/ PS:It's scheduled for a 2005 release! WOOHOO!!!!