OK, so Mike responded but not to my question... :???:
Thanks goodness for this site, I did a search and found
this thread
So it looks like you might be able to get the Mototwin stuff later on but it's a little uncertain right now.
The Raask pipes are quite cool as well. I think just about all the Raask pipes are double walled, so they don't blue. I'm guessing they're pretty heavy though.