Development PowerMac G4 - which FreeBSD version should I install?

Fri Mar 24 21:52:20 UTC 2006

Ok. I've just got a PowerMac G4 @ 533MHz, 512 MB RAM and two internal
disks into the house. This will be my FreeBSD / ppc "development"
machine ( you know, testing, reporting bugs, annoying developers and so
on)
Which version of FreeBSD should I install on it?
I noticed that the ISO images on Peter's web page are from 2005, should
I just use one of those, or is there a place to get neweer images?
-- 
Regards,
Torfinn Ingolfsen,
Norway