If anybody is interested then you can find the EU version of the Nacra F17 as measured by the independent Texel rating officials here :
http://www.watersportverbond.nl/data/numdet_22-6-2008.pdfA more thorough listing of specs can be found here :
http://www.watersportverbond.nl/content.asp?me_id=468%20 (download the zip file, second in listing from top)
Wouter