Dark Scyth, the iPhone's aren't garbage once they've been jailbroken. I've jb'd my phone and I can tell you it's a thousand times better.
The things that make it less superior to other phones:
- Pre - iPhone 4:
Lack of a decent camera
Lack of front camera
- All iPhones:
No add on memory slots
Other than those three issues, once the iPhone is jailbroken it's great phone and not tied to Apple