He's done at least one for the Hyper 7 - though it's a very different moount that require replacing the two diff standoff/mounts with totally custom machines pieces. The only problem with that is that it's expensive:
http://picasaweb.google.com/pics.jak...07549178156866
I forget WHOS buggy this is, but I found it here on the forums a few months ago when I was doing my Hyper 7 conversion.
I have no idea weather or not the hyper 7 mount will work for the Hyper 8.
-Jeff