I'm notoriously skeptical of anything from the local-filesystem world, and I'm no Apple fanboy, but this looks pretty cool. I look forward to hearing how some

I'm notoriously skeptical of anything from the local-filesystem world, and I'm no Apple fanboy, but this looks pretty cool. I look forward to hearing how some of it works, especially what's new about their version of COW and why end-to-end checksumming wasn't mentioned.