With Compiz, you get the cube view or the cube sides layed out flat to pan across. I actually like osX aproach of a zoom-out view that brings all windows into view allowing you to pick the one you want to jump too.
I like'd the Compiz cube as a graphic effect but even then, the cube sides layed out flat was better for my needs.
For me, the 3D got tired quickly though and I've long since stopped using the extra Compiz layer on top of my window manager layer.
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