Slashdot has reviewed Effective XML. Short version: they like it. :-)
I've added several shows to the XML Conferences list, including a new one in Prague in June. I'll definitely be at Software Development 2005 in Santa Clara in a couple of weeks. Possibly I'll be at XTech and/or Extreme Markup Languages. Details are still being worked out.
The xframe project has posted beta 7 of xsddoc, an open source documentation generator for W3C XML Schemas based on XSLT. xsddoc generates JavaDoc-like documentation of schemas. Java 1.3 or later is required.