Don't have a link handy because I didn't bookmark it, but I saw a thread on here the other day (less than a week ago) where someone posted a link to a replacement outer casing/chassis that was fairly cheap (<US$20 from memory). Might be worth looking into. Yeah, you'd have to pay for it, but as you say, anything done under warranty will take a while & you'll be without your phone.
If it's important enough to cause you grief if it's lost, back it up. No excuses
Trolling for thanks is lame
Does Samsung's auto-brightness implementation crap drive you to self-harm ? A solution !
Most retarded thread on XDA in 2013