Originally Posted by Spiderweb Newsletter 
Alas, Leopard, the newest version of the Macintosh operating system, has caused quite a few problems. Some games have corrupted graphics (odd, horizontal lines of dots on the screen). Others don't work at all, especially on the newest MacBooks with the X3100 graphics chip.
Most of these problems are caused by Apple's very hasty abandonment of Quickdraw, the graphics system the Mac used since it was first introduced.
This part should be quoted on those stupid Mac/PC commercials