To 10.5.7 or not to 10.5.7? That is the question? Did upgrading to 10.5.7 cause you big problems? Sorry for so many choices, but it seems like Safari 3 vs. Safari 4, kernel hacks, and Combo updates vs. using Software Update may all be contributors to the problems that so many are having. Haven't seen so many reporting problems with a system update in a very long time, and I am kind of scared to leave the security of 10.5.6.