Firefox 3 / (K)ubuntu 8.04 Large Fonts Fix

about:config
layout.css.dpi
set to either 72 or 96

Beyond me how that could slip through Q&A.

And why o why is there still no decent Antialiasing enabled by default?
System Settings/Appearance/Fonts, enable Antialiasing, Subpixel-Hinting RGB, Hinting Style slight.