I've "jailbroken" phones in the past and loved the flexibility and customization, but now it doesn't seem like it's worth the effort to me. Hopefully Apple will see the value in some of the jailbreak apps and add the functionality to iOS.
PlanetBeing: evasi0n jailbreak likely killed in upcoming iOS 6.1.3 update
PlanetBeing: evasi0n jailbreak likely killed in upcoming iOS 6.1.3 update