check out the iPhone app trimensional (I do hope to the heavens that I do not really look like that though)
Everybody loves the idea to be able to login to the iPhone via ssh and marvel at the fact that this exquisite piece of HW is actually running UNIX (well, a stripped down version of Mac OS X, anyways). It soon dawns that EVERY iPhone has the same root password installed - which is not real security threat considering the fact that ssh as means to login is not supposed to be running anyways. Once you jailbreak your device, you are able to login, but so is everybody else.
Now, when you put on your sysadmin hat and go an change the root password on any of the mobile Mac OS Xes, you'll get a nasty surprise.
After having had an iTouch for a couple of months, I couldn't deal with the regular cell phone user interface anymore (I caught myself swiping over the display to make my phone book scroll on my Motorola SLVR).
Instructions that describe how to upgrade to 1.1.2
Important step if the device gets updated to 1.1.2 by accident