Never had a problem with IE, im on a 11mbps connection and it doesnt slow me down at all. The only reason firefox is faster is because it doesnt load the images before it loads the page, it shows ugly preview images and then it loads, i would rather just wait an extra 2 seconds. And plus, most of the sites on the web are coded to IE standards so why try to screw with it.
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Who cares if my browser has a pretty skin? Definetly not I.Tabbed browsing? how about looking down at your Windows toolbar and clicking on the window you want, same exact thing.