the real kicker is the cost of official replacement screens, here in australia ~$200 just for the part. you can buy this "unofficial" part here, anybody try it? Digitizer Touch Screen Panel Replacement Part for Nokia Lumia 920 | eBay
I dropped my Lumia 920 only about knee height, and it cracked like this as well. It was dropped on a rough concrete surface, totally shattered the screen. Was hoping it would be a bit more durable...considering the phone is already so thick...