I have a spec of dust under the screen of my iPhone 3GS that I bought yesterday. I saw it last night and it started to bug me. It's overly noticeable but whenever I watch a video or go to a white webpage it's really irritating. My eye is drawn toward the speck. I called Apple and they said to make an appointment and will determine if they will replace it. The thing is the nearest Apple store is a 2 hour drive and I don't want to drive there for no reason. Is this an issue where I can get my phone exchanged or should I not bother?