You should check out Total Spaces: http://totalspaces.binaryage.com/ http://totalspaces.binaryage.com/ I was dreading the move to Lion since Spaces was a big p

You should check out Total Spaces: http://totalspaces.binaryage.com/ http://totalspaces.binaryage.com/ I was dreading the move to Lion since Spaces was a big part of my development workflow. But Total Spaces has filled in the gap for me. Since its just juggling windows around there is a slight lag in responsiveness compared to the original spaces but in general it does the trick for me. You can do most things on your list with Total Spaces: * Top left corner: Show all four spaces in a 2x2 grid * Top right corner: Show all current application windows * Bottom right corner: Show desktop * Bottom left corner: Show all windows