What desktop environments use fewer resources in Linux?

I have to say hats off to WindowMaker. It's more resource-heavy than OpenBox or FluxBox, but I <i>love</i> dockapps.<p>Can't live without them anymore. They're live tiles way before Microsoft even thought of them.<p>Also, it's more functional than OpenBox by a mile, as well.

I <i>love</i> Fluxbox. It only uses 10MB of RAM and runs just about anything you can imagine.

if you want a nicely preconfigured openbox <a href="http://crunchbanglinux.org/" rel="nofollow">http://crunchbanglinux.org/</a> (debian)

STOP CALLING WINDOW MANAGERS DESKTOP ENVIRONMENTS.

No love for xmonad?