The links below illustrate the behavior that Apple encourages for charging for something as small as slight UI upgrade and last year’s applications:
Note: I have not tried jailbreaking mine yet. I’ll give Apple a little more time to straighten things out. I still don’t know for sure if we have to pay for the ability to install 3rd party apps. Also don’t know if there will be such a thing as free, legitimate (in Apple’s eyes) 3rd party apps.
From Engadget: Dev Team’s 1.1.3 jailbreak…
No charge for the update and none of this is necessary.