I have upgraded my Wallstreet Powerbook G3 /233MHz 14.1" with Sonnet Cresendo wallstreet G3/500MHz(Memory 192MB, 6GB HDD, MacOSX 10.1.5/MacOS9.2.2). It is much faster now. Window redrawing, moving, iTunes visualization, Quicktime all are fast now. Quantitatively speaking, iTunes visualization...