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i stole some of your styles and it worked great until I
viewed it in IE :(  after X hours i finally got everything
to look exactly the same in IE as mozilla.
IE doesn't support
1) empty-cells  - you know about this one already
2) border-spacing - so you need to add cellspacing=0 to all
<table>s that use border-spacing:0
3) td:first-child - so you need to use a separate class and
specify it for the first <td> in each <tr> (ugly)