Available for IDEA 6.0 through IDEA's built-in plugin manager or directly from http://plugins.intellij.net/plugin/?id=1105
Changes since 1.0:
XML tag names may be specified as regular expression
Small UI usability improvements (added missing labels, mnemonics, shift-tab navigation)
Bugfixes, refactoring, cosmetic changes
You can learn more about the plugin here:
Any feedback is very much appreciated.