Just a quick grin of thanks to Mr Raettig. His cutdown version of OpenBSD has been powering mum, the pumpernickle intranet box for the last 16 months and his configuration has proved remarkably robust.
[dug@mum dug]$ uptime 1:35PM up 129 days, 20:22, load averages: 0.39, 0.26, 0.24
129 days (and that was a power failure, not a crash), and just look at those load averages - we really must try and stress this machine ;-)