also the Home key will bring you to the start of the timeline... If the edit cursor IS at the start and you use space bar to play, then stop... then play again, it should star the play from the edit cursor again... many people don't like this and want to use Pause, so that play stops and restarts from right where it was Paused... I have the P key for that but you could assign anything... it's likely you can make a custom macro [action] to do it just as you want it to be...