The Central Texas DUG presentations on Wikis and DITA, and Eric Arnstrong's excellent review of the benefits of structured formats and DITA compared to alternatives like a Wiki, raises the question of whether we are perhaps trying to force DITA into too many places.

Eric focused in on the reason structured formats are difficult to use -  they force you to learn the tagging structure (DITA has about 120 tags, DocBook 800, and XHTML only about 80).

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Wiki systems make it easy to edit documents online, which makes wikis a compelling tool for document collaboration. Current wiki formats, however, don't allow for the kind of reuse that the DITA was designed to enable.

'Wikis, Docs, and the Reuse Proposition' by Eric Armstrong of Sun explores the possibility of implementing DITA features using a combination of JavaScript and CSS. He suspects it can be done most easily using a Ruby-based Wiki like MediaCloth.