I've been playing with this again this morning and I've noticed the "server status" panel is now much nicer.
However one thing that has always tripped me up is that it expects the log_filename to be of the format "postgresql-%Y-%m-%d_%H%M%S.log", but I've always logged into one file for each day, i.e. "postgresql-%Y-%m-%d.log"
Is there a setting for this somewhere? Else could we get one, or perhaps even read it from the postgresql.conf settings?