>> you need to develop a special site just for IE.
>
>That statement had a fair amount of merit up through IE7.
>
>I develop web database applications as my primary job - Using IE9 and 10 in standards mode makes them work at least as well as they do in Chrome. Firefox seems to lag farther behind with each release.
>
>We take cross browser compatibility seriously. Our apps run in IE and Chrome seamlessly before they go out for testing. Aside from a few minor CSS differences, we have no issues developing apps that work in both w/o any special handling.

Its nice to know they implemented html4.1 right finally.

I don't even test or support html5 in IE. There's no point.