new jail utility is available. announcement.

[Aiza]

> Not yet, when I have a spare box I might, although I quite like using
> zfs for jails as you can limit the disk usage dynamically per zfs
> filesystem and I didnt see any support there yet, even basic support
> like there is with ezjail would be nice.
> 

Zfs was left out because its over kill. Sparse image jails gives the 
same protection at a 10th of the overhead.