Maybe this would be alright?

http://www.kde-look.org/content/show.php/Oxygen+System+Monitor?content=86664

On Sun, Dec 28, 2008 at 1:22 AM, Leonid Grinberg <lgrinberg@gmail.com> wrote:
Hello,

I was wondering if anyone knows of a good KDE applet for monitoring
system activty, similar to the GNOME one.
I'd really like to be able to see CPU load, memory usage and network activity.

I am running vanilla KDE 4.1.3 (not kdemod).

--
Thanks,
Leonid Grinberg