Tidy up HTML (including demangling of MS-Word "HTML") with this tool: http://www.w3.org/People/Raggett/tidy/ . Note that MS has released it's own tool, free download - called HTML export filters or something.
A great thread at SitePointForums linking to great font and graphic resources for web development. http://www.sitepoint.com/forums/showthread.php?t=131050
A good list of links for web development stuff: http://www.alvit.de/web-dev/index.html