Many developers know about Firebug - - the highly regarded HTML/CSS/Javascript investigation and debugging extension for Firefox. But our sister blog WebWorkerDaily notes that it hasn’t been any help for chasing problems in other browsers, which often have inferior facilities for figuring out the sources of problems - until now. "The release of Firebug Lite offers new hope to those trying to chase rendering and script issues in IE, Safari, and even Opera," WWD reports. Check out the story, and for many more useful Firefox extensions, see our recent superguide.