More real world facts on IE and heavy table based layout
The illustration to one of the previous posts about web-site performance. Two images below showing the same page rendering timeline (captured using Fiddler 2). Red line on both images indicates the moment in time when user will see the actual page data. The whitespace means browser just waiting for some script/image/media to be loaded doing nothing.
Heavy page (around 500k with all scripts and media) with table-based layout: