I just made a little Karamba desktop widget thingie--that will let you quickly switch between wireless and wired interfaces (via a VERY primative script).

See it here:
http://www.notthemessiah.net/toughbo...ges/lowuse.jpg

and
http://www.notthemessiah.net/toughbo...cpumonitor.jpg

It also monitors the cpu frequency via /proc/cpuinfo (which is cool to know if you have a speedstep cpu with cpufreq and a daemon like cpudyn or cpufreqd running and switching the freq with usage).

And just for good measure, I added a battery monitor (APM only) that probes /proc/apm--tho an ACPI version would be easy to cook up I imagine.

The background doesn't show off the transparancy of the widget--but it IS there I also included an optional clock...

You just need Karamba and sudo installed (sudo--if you want a non root user to be able to use it)

Download it (and the art) at: http://www.kde-look.org/content/show.php?content=10460

Have fun with it