Checking memory usage between XFCE4 and DWM, I find XFCE4 uses only ~30MB more then DWM.
100MB - DWM + Xorg 130MB - XFCE4 2x750 P3 w/ 1GB RAM (I'm going to gander, Xorg uses around 60-70MB, with 20-30MB for other resources. Man Xorg is a beast on memory!) -- Roger http://rogerx.freeshell.org/
