The correct name is iPod Touch, however many people call it the iTouch, because it i shorter and easier to say.
an Itouch has a touch screen and a ipod does
The iTouch and iPod Touch are two different names for the same product.People thought that the iPod Touch was too long of a name, so they shortened it into iTouch, and both names can be used to describe the same product.
An iPhone is an iPod Touch (iTouch) with the phone and camera. Thus, an iPhone is already an iPod touch with more features.
an ipod touch
Connect your iTouch to your computer and click "Restore iPod" and it will erase everything on your iTouch.
No...and besides its on there when you get the iTouch
They are exactly the same
Yes, any iPod Touch (iTouch) can download movies.
no its fake, but i think you can use an app called PlayAwake on a JB itouch
No it does not accept iTouch or iPhone
No -- an iPod Touch does not have an IMEI number.
I would rather choose the iPod Touch considering that you can do more with an iTouch than an PSP. You can also consider jailbreaking your Itouch allowing you to get those paid apps for free. But I do not advise it, as it will void the warranty of the iTouch.