I am running a build daemon for the Debian GNU/kFreeBSD port. It was a bit overloaded by the high number of packages to build since the CXX ABI transition has begun. I decided to use the old mainboard of my main computer to upgrade it from an AMD K6-2 500 to an Athlon XP 1800+. I also had to buy a new box since the old mainboard was an AT one, whereas this mainboard is an ATX one. The hard disks (an old 8.4 GB IDE disk for the system and an old 4.3 GB SCSI disk for the build daemon stuff) are still a bit slow, that is probably the next thing I'll upgrade.
It runs for a few hours now and has already reduced the backlog. Currently 83% of the Debian packages are built for the kfreebsd-i386 architecture.