I put Leopard on the Macbook yesterday. Lots to like and lots to dislike - I immediately got rid of the glass dock and the transparent menubar. I also don't like the new folder icon - I need to see if I can change it. But the coverflow in teh finder is really good : I don't like it in iTunes because I don't have many covers but for files it is great.
there are some nifty apps that will go out to amazon and retrieve cover art . . .
JP