One of the complaints I'm hearing about DW is that tables don't work properly, which are obvs. important to us RPers for things like character lists, CR charts, and taken/reserved/whatever lists.
I've been working on some workarounds for such things, being a helpful HTML monkey. Here's my version of a character list/CR table code:
here @ pastebin (because DW keeps borking my textarea every time I try to edit and apparently dislikes iframes)
Linebreaks and tabs added for readability; you'll probably want to strip those before using the beta update page if you do, because I believe it turns those into visible linebreaks, which'll give you more spacing than you probably intended. The regular editor will just strip out all of that when you go to rich text mode and leave you with the plain HTML sans whitespace.
It'll end up looking like this:
( Preview )Tah-dah!