I will not comment as many would say it's a conflict of interest for me to comment but boingboing has a good wrap-up and links to a lot of coverage of the issues that Apples customers will face.
iPhone - the roach motel business model
By the way I still want my wife to get a Mac so she stops using me as help desk :).
Disclaimer The opinions expressed herein are my own personal opinions and do not represent my employer's view in anyway.