Thank's for the comments. To get rid of the hyperspeed changes just delete factions.xml. I may lower the accuracy of big guns against fighters even more and make bigger guns (large lasers and turbolasers) more effective against corvettes and frigattes. My biggest problem with modding EaW is the fact that it doesn't have a battle mode, where you can hand pick ships and test them against each other. Will look if I can do a campaign game with just two planets, where you can change starting forces in the xml file.