I had the old macbook and now have the new macbook C2D. Does anyone know why the layout of the new Macbook C2D was changed? It looks like the ENTER key and the left SHIFT key have been shorted to accomodate new keys. The TILDE button previously in the upper left corner is now down by the left SHIFT key.In place of the TILDE key is a +- key. And on the right near the ENTER key is a new : key. There are also some other changes. What the heck is going on? I don't like it. Is there some new keyboard standard? Does anyone know if it is possible to replace the new keyboard with the old keyboard if it is carefully removed?