I whipped together a cheat sheet for reStructuredText:
1 page for syntax, and a 1 page reference for directives
and roles.  Please take a look:
<http://docutils.sf.net/docs/rst/cheatsheet.txt>  (not
meant to be converted to HTML; use the source text as-is).
Feedback is welcome.

-- 
David Goodger <http://python.net/~goodger>