Someone literally bumped into me at a restaurant and my baby, my Lenovo X200 Tablet hit the ground. It was inside a padded slip cover case, but unfortunately it didn't help much

The case cracked in the back to the left of battery slot and immediately over the VGA socket - The little top tier broke off (I really wanted to beat the crap out of the guy who bumped into me by the way). While the breakage is purely cosmetic, it will definitely bring down the value of my Tablet should I decide to resell it in the future (I usually sell and upgrade the minute the newer model comes out). I paid roughly $2300 for this with the Ultrabase And Blu-Ray Drive!
Anyone have any idea how much it would cost to get the bottom casing replaced by Lenovo? Would it be worth the cost? I am under warranty. The machine is not damaged operationally in any way.
I love this laptop SO MUCH, more than any Lenovo/IBM I've ever owned (To date I had an X23, X31, X32, X61, and X61Tablet). I really want to remedy this ASAP. Should I pursue a repair or would it be best if I just keep it moving and forget about damage repair due to the possible high cost (I haven't contacted Lenovo yet, just posting here because maybe someone here would know something about situations like these). I'm sure Lenovo won't cover falls. My laptop is under warranty from Feb 2009 to Feb 2010.
Pics Of The Damages Are Below:
