What if Darius III had won?

If Alexander have taken the Greek cities on the eastern shore of the Aegean such as Miletus or Halicarnassus it could reward him with some much need supplies. Alexander could also tax them which was what Alexander did after he took those cities. After the persian's defeat at the Granicus, Darius realized that Memnon was right and used his strategy to effect. Thus Memnon was to continue the conquest of the Aegean by the sea while Darius himself gather an army to destroy Alexander.