New info on the V4 powered RSV4 you ask? Here it be:
http://aprilianews.blogspot.com/ This dude really keeps up on the Aprilia news and I check his site all the time.
Now for the really impressive. The blogger above does mention this article and provides a screen shot of the breakdown of the RSV4 but here is the article on the web-magazine itself in all it's glory.
It neat to look at so have a look for yourself: http://issuu.com/motorcyclenews/docs...26&layout=grey