‘They are 32bit PNGs, each have their own official shadow treatment, and no background matte color.’

This works. Goodbye and good riddance, three IE-dedicated VMs.

“This browser extension stops Facebook social plugins—including those within iFrames—from running on sites other than Facebook itself. This includes ‘Like’ buttons, ‘Recommended’ lists, and should also stop any Facebook scripts from tracking your browsing history.”

Sites using Facebook’s ‘social plugins’ have been chewing up memory in my Safari (stemming from, I think, based on looking at the ‘Activity’ window, a blocked request returning an error and being requested over and over again). I’m still not sure what the issue was (AdBlock or Facebook Cleaner extension conflict, probably?), but with this extension the plugins don’t have a chance to load in the first place, which is fine because I never use them and I think they’re worthless and annoying.

"Compatibility tables for features in HTML5, CSS3, SVG and other upcoming web technologies."

This bookmarklet makes reading things on the web very simple and thus enjoyable by removing all of the often-useless and often-flashing worthlessness surrounding the content.

A "free browser that allows you to have the rendering and javascript engines of IE8 beta 1, IE7, IE6, and IE5.5 on Vista and XP, as well as the installed IE in the same process."

Invaluable for troubleshooting web development in IE. Wish I'd known about this before today!

Firefox has more users, perhaps, than is commonly assumed. With Firefox 3 on the near horizon, this may shoot up even more.