Keep the twin plate!! Puck/brass button clutches they are all cops to drive, at least with a twin plate there is a little bit of give, i have an OS Giken twin plate in my car and its sensational, i wouldn't go back to a single ever!! Conversly i can jump into my mates R33 which has a Nismo twin plate in it and drive it like i own it, the clutch's are that easy to use!!
Like has been said, keep the twin plate, drive the car with what ever clutch is in there now (stock im assuming), learn how to drive a manual, then when the standard clutch starts slipping put the twin plate in there!!