While playing (still) with tinyXML I wrote new content plugin.
Office2007.wdx v.0.0.3
Allows you to see MS Office 2007 XML files properties.
Microsoft Office 2007 is not needed for this plugin to work!
Supported fields are:
- core - Category, ContentStatus, ContentType, Created, Creator, Description, Identifier, Keywords, Language, LastModifiedBy, LastPrinted, Modified, Revision, Subject, Title, Version;
- application specific - AppVersion, Application, Characters, CharactersWithSpaces, Company, DigitalSig, DigitalSigExt, DocSecurityLevel, HiddenSlides, HyperlinkBase, HyperlinksChanged, Lines, LinksUpToDate, MMClips, Manager, Notes, Pages, Paragraphs, PresentationFormat, ScaleCrop, SharedDoc, Slides, Template, TotalTime, TotalTimeMin, Words, Titles*, Content*;
By default only four extensions are set (DOCX, PPSX, PPTX, XLSX) but you can add more.
Please, test it and report any bugs

*) Titles and Content fields can be used in search only!
Download:
http://cid-e12762cbdafb3c47.skydrive.live.com/self.aspx/TC/Office2007wdx%7C_0.0.3.zip
Sources (VS 2008):
http://cid-e12762cbdafb3c47.skydrive.live.com/self.aspx/TC/Office2007wdx%7C_0.0.3%7C_src.zip
History
0.0.3- fixed bugs from WLX plugin; added/fixed utf-8 conversion;
0.0.2 - added Titles and Content fields;
0.0.1 - initial version;
Special thanks to:
- Franck8244 - for help with ft_fulltext;