This is immense:
We need to shout about this more loudly!
I just followed those instructions, and my browser suddenly got a whole lot snappier. And I bet there are loads of web developers out there who think “I love developing with Firefox, but when I browse with it, it’s really slow…” These are core opinion formers, and their experience is sucking unncessarily. I’m glad that blog post says there’s now a fix :-)