You guys are mistaken -- there's no way to design in 800x600 -- BECAUSE font sizes and multiple platforms prevent you from guessing what something will look like. Better to use common sense and your knowledge of HTML to know how things will scale. Never use pixel dimensions in your web pages...
Lets say you are mistakenly designing for 800x600 and you use a pixel specification like "width=590" on one of your tables -- then someone goes to your site w/ a high fucking resolution screen and he has font sizes that are much larger (people at higher resolutions use fonts that take up more pixels) because they are easier to read... then your site will look fucked up because of the pixel tag... all the text will get bunched up and your site will look wrong.
Anyway NyLos I had the same problem -- my site wasn't displaying in Netscape at all because I had 6 nested tables and I forgot to close one of them
