Burton Group's response to Ars Technica's Article on the ODF/OOXML Report

http://ccsblog.burtongroup.com/collaboration_and_content/2008/01/response-to-ars.html

And the best quote:

ALL experts [...] who have REVIEWED [...] the OOXML specification have CONCLUDED that it is a memory dump of Microsoft Office binary data structures.

I wholeheartedly agree 100% - I have also concluded the same, not long ago after I've read the technical objections on the:
http://ooxmlisdefectivebydesign.blogspot.com/
(a nice reading, by the way).