I was interested, somewhat, by the pacbuilder tool that cimi invented for Arch Linux. It would have been useful to me about six months ago when I was considering Crux for a similar reason — I wanted something that would comprehensively recompile an Arch installation.
It’s not something I can use though, since it relies on rsync and my proprietary router won’t (or doesn’t seem to) handle rsync. I can compile the -svn version from the AUR PKGBUILD, but it does me little good.
It’s still interesting to me, but unless it reverts (because, as I understand it, rsync wasn’t originally required) to a version that doesn’t need rsync, I can only watch from the sidelines and cheer.