[Discover] IE NetRenderer - Browser Compatibility Check - http://ipinfo.info/netrenderer/
(tools webdesign testing ie) 
[Discover] Install multiple versions of IE on your PC | TredoSoft http://tredosoft.com/Multiple_IE (windows ie browser testing)
[Discover] Refresh To Documentation http://refresh-to.rubyforge.org/ (ie plugins ssl secure)
[Discover] IE Three Pixel Gap http://www.positioniseverything.net/explorer/threepxtest.html (css bug ie webdesign)
[Discover] Test your web design in different browsers - Browsershots http://v03.browsershots.org/ (tools webdesign free testing)
[Discover] IEBlog : IE6 and IE7 Running on a Single Machine http://blogs.msdn.com/ie/archive/2006/11/30/ie6-and-ie7-running-on-a-single-machine.aspx (testing ie windows browsers)
[Discover] Install multiple versions of IE on your PC | TredoSoft http://tredosoft.com/Multiple_IE (windows ie browser testing)
[Discover] Refresh To Documentation http://refresh-to.rubyforge.org/ (ie plugins ssl secure)
[Discover] IE Three Pixel Gap http://www.positioniseverything.net/explorer/threepxtest.html (css bug ie webdesign)
[Discover] Test your web design in different browsers - Browsershots http://v03.browsershots.org/ (tools webdesign free testing)
[Discover] IEBlog : IE6 and IE7 Running on a Single Machine http://blogs.msdn.com/ie/archive/2006/11/30/ie6-and-ie7-running-on-a-single-machine.aspx (testing ie windows browsers)