Supporting tables in web designJan 12 11:23:28
Test site availability from around the globeNov 7 0:53:22
Clamshell - an OpenID serverJun 20 5:33:06
Writing Strategic InitiativesMar 6 3:08:15
Writing a strategy documentMar 6 3:00:53
Then check out xFront, and particularly their article XML Schemas: Best Practices.
(UPDATE: Their Design Goals Questionnaire is also really useful.)
Practical advice from the xml-dev mailing group, so these people do it every day.