i git my game finaly into english, i took 
 C:\Program Files\LucasArts\Star Wars Empire at War\GameData\Data\Text\MasterTextFile_GERMAN
 
 and replacesed it with the one in the demo folder called MasterTextFile_ENGLISH, then renamed it MasterTextFile_GERMAN.
 
 there is a englishspeach file, but i dont think its comlete, havent tryed it