I'm with Favorite Fabrics on that point. Color all depends on its 'surroundings'...the colors it is paired with, the lighting, everything around it.
If you don't know what you'll put with it yet, take a look at your stash. Are the whites, even those in prints with other colors, pure white or a milky white? What you have now will give you a very good idea of what you prefer and what you will probably buy in the future. Might help you decide which way to go. Then again, you could get a bunch of each. :D