Photograph by djmac on Flickr As reader djmac captured an iPhone 3G-related fight outside a Lexington Avenue AT&T store, the customers who managed to snag the new device were bereft when problems prevented their phones from activating both in the physical stores and on the iTunes store. (Gizmodo has tips for fixing some problems.) Many AT&T stores are reporting they don't have anymore iPhone 3Gs; some remain at the Apple stores.......