I want to like IE 7 and I like Microsoft. I think as a web developer one needs to browse using the most popular browser on the planet so he/she knows how sites display on it. I like the new tabs feature and the "improved" CSS rendering. But why did Microsoft change the JavaScript engine?

All I see are JavaScript error prompts. All kinds of sites that were fine, are now "done with errors". This latest version has been out for quite awhile. Why hasn't there been a fix? Am I missing something? Have you been experiencing the same?

Not to mention the loss of compatiblity to thousands of apps that rely on Active X and require IE that won't work with IE 7- like a little known product like QuickBooks. Maybe I'm stupid but I can't event download updates for my other PC without having to install IE7 first. (Maybe I could, but it's not easy) This is rediculous.