Buying an iPhone 4 is sort of like a muscle twitch: It doesn't take any conscious thought. There's even a hugely popular YouTube video that skewers the default mentality around buying Apple's smartphone. But you will suffer some derision if you buy something else, that's why I'm here to give you 5 solid reasons to tell those who jeer to shove it. Nicely, of course.
Need more info to make your bold decision? Head to CNET's iPhone center.