Slimmom, first of all, let me wish you a warm welcome to the forum and my congratulations on a great choice of car.
As for the color - it's your car and what you think is the best color is the only thing that matters. That said, there are many people on this forum alone who would probably go for the white if they were getting a GL, so you needn't worry, it's a popular color after all.
I hope you'll enjoy that new ride of yours and, should you feel like it, feel free to post some pictures of it here for us to enjoy.