I too hand-code websites. For a couple of years solid I've been using Textpad to write my sites to various W3C recommendations/standards (HTML4, CSS1/CSS-P, CSS2, XHTML), simply because the code produced by website design tools is non-standard, incompatible, inefficient, and just plain ugly. That's not an issue for dialog creation though, there are no interpretation or compatability issues, the code is either right or wrong. The popular dialog creation tools will invariably get things right.
As for my 90% estimate, maybe it's wrong. But I can tell you that I know the coding habits of around 30 or so mIRC scripters, and I can't think of a single one who I know that hand-writes their dialog tables. In fact I was probably the last of them to 'convert'.
