Anybody has an idea where to repair 770 screen or where I can buy (online maybe) a new one? Except Nokia shop? Any idea about costs - is it worth or just should I rather buy a new one? My kids played with IT and now lower part of the touch screen area is not working properly, virtual keybord is unusable, especialy lower two rows... Software upgrade, screen calibration doesn't help (well - maybe a little...)

Where are you located? Is it out of warranty? From what I've found, the price of the part is more than what you could pick one up for from eBay. Add that with the labor and you probably could have bought an N800.