Just thought I should let you all know that there is a solid looking shell (white with black roof currently) going on ebay. It is currently at £360, but I expect it will rocket up.
http://cgi.ebay.co.uk/MINI-BODY-SHELL-PROJECT-/250684155393
http://cgi.ebay.co.uk/MINI-BODY-SHELL-PROJECT-/250684155393