"it Rox ur Sox like a Box of Rox"5.0 starson by bobmarksdale
Pros: Spaces! Love it so much. Speed seems much better for me too. Quicklook. Spotlight dominates as well. Can use it to look up in dictionary. Woot!
Cons: 3D dock and stacks-but easily fixed with some applescript and dragging an alias of a folder to the dock instead of the reg. folder, respectively