This week, Apple announced that a specific repair, screen replacement, can be performed at Apple Store Genius Bars while the customer waits. The service is free if your phone is under warranty, otherwise it will cost you $199. Yikes. Of course, "Under Warranty" refers to the date purchased as well as other factors like liquid damage* or jailbreaking.
Here's hoping you won't need this service (hold on tight or buy a case), and if you do, you aren't 200 miles from the nearest Apple Store like yours truly.
Speaking of repairs, we've seen iPhones and iPod touches survive some serious knocks, like a run-in with a pickup truck.
*Note that Apple will let iPhone owners swap their liquid-damaged iPhones for replacements, provided that it succumbed to an out-of-warranty encounter with liquid.This post was about screen repair specifically.