I gotta say this game has probably one of the best singleplayer campaigns in a RTS game EVER!

The characters are done so well, and the game is just too fun. I'm not a huge fan of RTS games where you cannot build a base etc, but this one get's a free pass for awesomeness!

http://www.geforce3d.net/Gallery/d/702-2/wic+2007-09-22+09-05-56-26.jpg
http://www.geforce3d.net/Gallery/d/708-2/wic+2007-09-22+09-10-39-74.jpg
http://www.geforce3d.net/Gallery/d/711-2/wic+2007-09-22+09-10-42-08.jpg
http://www.geforce3d.net/Gallery/d/714-2/wic+2007-09-22+09-10-48-75.jpg
http://www.geforce3d.net/Gallery/d/717-2/wic+2007-09-22+09-10-54-66.jpg
http://www.geforce3d.net/Gallery/d/720-2/wic+2007-09-22+09-12-22-08.jpg