I have a quad core g5 and a c2d macbook. My ISP (Charter) blows goats. They went down, like they seem to do about once a week, for a couple hours today. Since going back online, I am no longer able to get firefox to load most webpages. Safari will load just about everything, but not quite every page. No Yahoo!?!? Now, is it possible that there is a problem on my end, or would it be a good guess it is something on the ISP end?