Just got some great news, it seems that the 3DMaster are going for Netherlands the 23rd, 24th and 25th July 2010. That is very close to Denmark, and as i understand it from the press release it is a very easy place to access by plain or by car. I have got to go.
Here is the Jupiter Flying Club web site http://www.jupiter-venlo.nl
And from the looks of it, it seems like a nice site with fences and all