Might be a tad overpowered, but how about having the fighters as a 'cleanup crew', adding a HP target sort that prefers lowest HP in range(or give people the option). It will target the near dead first and in effect will be a micro reduction tower
- The UI is currently set to random(or zerg?), it should be set to terran so you no longer get the zergling as idle worker
- Add hotkeys to the xel'naga element picker thing
- show sold towers money returned more clearly over the tower