There is no right or wrong answer, but you can discuss the merits of one's decision. You can change your mind, but that misses the point. If you needed to go back in time, and you had all the iPhones sitting before you. You are going to meet with Abraham Lincoln and it's your mission to impress him. Which handset will you grab? You have 2 seconds to decide, and what you grab will show how AWESOME the future is. It could have one of iOS 6/7/8 installed (your choice, because thats what you wanted). You are a part of an entourage and all you get to take with you is the iPhone. You won't speak. Like the ring bearer, you simply hand him the phone. I would grab the iPhone 4s w/iOS 6. Why? because it's almost entirely made of glass, aesthetically speaking. It has Siri, (not that it would work but, we would say it does.) The OS is easy to take in. I think, although a bit more complicated, it's easy on the eyes.