Hehehe, yep, I finally got out me dremel and attacked my B4. No, there is very little B4 left, and a heck of a lot of modding still to be done, including a new moulded body shell.
You can view the sitr for it at
http://www.teamyrd.co.uk
I dub it, the B4-X ,
the B4 XTREME