For many of you this might be old news, but I have only very recently discovered a nice little app called torsmo. For those of you who don’t know it: torsmo is a lightweight system monitor which doesn’t require GTK, QT or other bloated libraries and which paints directly to the root window in X. It has support for all the standard things you would expect in a system monitor and can be easily extended if you want something more.
It doesn’t support hddtemp, though. It also doesn’t provide a flexible way to adjust the displayed text. I thought this was a pity, so I’ve written two patches to fix this (hddtemp, text ajd., all-in-one).
Here is what it looks like on my dekstop: