Design guide for documents

Stumbled across a nice guide for designing, layout and stylizing documents:

http://www.cmq.com.au/features/article.asp?article_id=583

I'm always interested in reading this sort of stuff as, from an end user perspective, it's probably the most important part.

I'd love to see an equally easy to read, bullet-point guide for creating useable WindowsForms interfaces; is there one?