dont think so
no
You, can't fix it. It must be replaced. Repair companies will charge 60-80 ukp to replace the screen which may not be economic for a device which originally cost £110.
Current versions of the Kindle do not have a touch screen, but the Kindle Touch is due for relase next month (november 2011) and is available to preorder from Amazon now.
Via the keyboard: Kindle Fire/Touch:- Touch Screen Keyboard Kindle 4 (2011):- On Screen Keyboard Controlled By 4-Way Controller Kindle Keyboard & All Previous Generations:- Full Physical Keyboard
Yes,You can type on a kindle and kindle 3G. Its touch-screen and has a keyboard. Its like a IPad but on a IPad you can play games but on a kindle you can only read.
You can't really 'change' the screen savers but every time you power down your kindle the screen changes to a different screen saver each time.
no, it isnt
$99
The marshinator!
The Kindle keyboard is better IMHO. The keyboard version has tactile buttons - instead of a touch-sensitive screen.
No
a book store