Renato (from Macrossworld) was kind enough to scan the ten page article from the April 2008 issue of Animation Note.
There's plenty of lineart of the VF-25, Vajra, mechanical designs, and interviews with Valkryie Designer
Shoji Kawamori and Mechanical Designer
Junyo Ishikagi.
I've cleaned up the images and put them all on one zip file. Enjoy!
http://www.mediafire.com/?tensgzhl1yi (25MB's)