WindowMaker. I wish it were more keyboard driven, but I find it's window arrangement and Xinerama support to be the crucial features. I've also been meaning to

WindowMaker. I wish it were more keyboard driven, but I find it's window arrangement and Xinerama support to be the crucial features. I've also been meaning to give a modern tiling window manager (I've used ratpoison in the past) e.g., Xmonad a try.