I remember a few months ago there was a thread concerning inaccurate memory
usage being reported on several mac models.  Kind of like in this ps aux
output clipping:

USER   PID %CPU %MEM  VSZ   RSS TT STAT STARTED     TIME COMMAND
root   179  0.0  0.0  328     0 ?? IWs        -  0:00.00 /usr/sbin/sshd
root    94  0.0  1.8  100   284 ?? Ss    6:23AM  0:04.43 /usr/sbin/syslogd
-s 
root    76  0.0  0.0  736     0 ?? IWs        -  0:00.00 /sbin/dhclient
root     6  0.0 242.3    0 39684 ?? DK    6:23AM  0:58.12 (aiodoned)
root     5  0.4 242.3    0 39684 ?? DK    6:23AM 11:09.26 (ioflush)
root     4  1.0 242.3    0 39684 ?? DK    6:23AM  8:31.36 (reaper)
root     3  0.0 242.3    0 39684 ?? DK    6:23AM  0:20.27 (pagedaemon)
root     2  0.0 242.3    0 39684 ?? DK    6:23AM  0:00.07 (ncrscsi0:0)
root     1  0.0  0.5  300    72 ?? Ss    6:23AM  0:01.39 init
root 20309  0.0  1.0  332   144 p0 R+   12:19AM  0:00.10 ps aux
root     0  0.0 242.3    0 39684 ?? DKs   6:23AM  0:00.86 (swapper)

Was this ever figured out?

Dave Rogers