I would say pink roses or some other bouquet of flowers...red roses might be a little much at this stage in the game. Dinner would also be good, take her to her favorite place. I'm cooking my girlfriend dinner, got her roses and I made a flick book of a stick figure dragging out an "I" and then throwing a heart in the middle, and then he pushes a "U" from the other side so he forms an I "heart" U.....I thought it was kinda cool lol.