This only works if you use your mouse to move around Spaces. The current model is quite a bit broken if you use keyboard shortcuts, as correctly described in this article.
This is exactly what I do, only lower left triggers Spaces and upper right triggers Expose. The 45 degree mouse-swipes between them feel incredibly natural.
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Set the lower right hot-corner to exposé and the lower left hot-corner to spaces, and navigating around spaces and windows becomes trivial.
Hit both corners in sequence and you get all windows visible, and you can view or drag windows around between spaces as needed.
Or hit the spaces hot-corner and the four-finger swipe, if you're running with a Unibody or a Magic Trackpad, for the same view.
This only works if you use your mouse to move around Spaces. The current model is quite a bit broken if you use keyboard shortcuts, as correctly described in this article.
erm whats wrong with using ctrl-space# to switch between spaces for the same effect he describes but with up to 9 spaces?
This is exactly what I do, only lower left triggers Spaces and upper right triggers Expose. The 45 degree mouse-swipes between them feel incredibly natural.