I think the original was better tbh.
Why pay extra for two features - 3g network and GPS.
I know that I will never require the 3g network, as there is always a wifi connection around I can hook into... if you need faster then 56mbps on your phone, you should be using a computer anyway. There are plenty of decent alternatives for GPS, why pay so much extra just for this feature?
If my assumption is correct, apple will do what they did with the new ipods and encrypt access to the OS so it cannot be jailbroken like the current iphones, which means your iphone will be very limited with the restrictions apple will put in place on the app store.
I quite like my current iphone in its jailbroken glory, i love all the 3rd party apps I can use to customize and enhance my iphone's functions.
I can use IRC, MMS, MSN, ICQ, GBA Games, Video Record, DropCopy (Copy files from one iphone to another wirelessly), and much much more... can your precious 3g iphone do any of that? No!
</2 cents>