Re: KDE is preventing laptop disk spindown by incessant configfile-writing
if you're using noflushd, then the writing you're reporting isn't what is
waking up your HD.
The main problem I see here is that ext3 commits its journal every 5 (or
10, don't remember exactly) seconds, and noflushd does not know what to do
If you're running a recent enough kernel, you should try the laptop mode
(included in the latest 2.4 and 2.6 kernels)  and the smart_spindown
 <kernel source>/Documentation/laptop-mode.txt