First, a critique: I would replace the Garrity light with a Streamlight Nano, or Photon. The Garritys are very unreliable. I get quite a few back as returns working at Academy. They don't seem to last as well as the Streamlight and they are much bigger.
Second, a case recommendation: I would suggest a Pelican box. Waterproof and pretty durable.
Third, some more of my BS: I have to reiterate the calls for fire-making redundancy. I carry a Bic or Zippo, firesteel, and matches. Ya never know, right? Also, pick up a small poncho and a heat blanket, I know it was mentioned, but it is worth repeating. I also might add a wire saw if it were my kit. Small, compact and sometimes easier than the SAK saw IMHO. Ohh...one more final thing, I promise, I carry and AquaMira Frontier Filter. You can use it to drink untreated water, up to 20 gallons in fact. Well worth the $10.
Everything else looks good though. A great start on an ultra-light kit for sure.
PeACE
Dougo