I've also had terrible performance ever since 10.2.2. Jaguar was really an improvement over previous OS versions, until that version. Screen updates are 10 to 15 seconds apart, and responses to mouse clicks take at least as long. I can't scroll without seeing the spinning color wheel for several seconds. Process Viewer lists CPU usage at around 93%; usually, I can also run iTunes 3, plus QuickTime Player or RealOne, without problem.

I just downloaded version 2.8, and I'll give it a try. I'm not really that hopeful, though.

Hardware: iMac DV/400, 320MB memory, OS X 10.2.2, 1.2 megabit DSL connection.