Resist the urge to start coding and think hard about the problem your program will solve. If it can't be solved without coding, resist again, and design every piece of the program carefully, and, paraphrasing Dijikstra think about LOC's as lines spent, not lines produced.

fsck. With softdeps you still need fsck, which in large disks may take forever and consume a lot of memory. Background fsck helps, though.

You need to do a "ipv6 install" first. It's installed but not enabled by default(Vista is).

I think that what will end up happening is this:

Modifications I need to make to already BSD licensed code will remain BSD licensed. New pieces of code I write to get it working that are not taken from Sun will be BSD licensed. Everything else will be porting work and will be CDDL.