I found this great blog from a guy rebuilding his TR7 after parking it in his garage in the mid 80s. Lots and lots of really good detailed pictures. Looks like he's been really lucky with his body with only minimal welding needed (there may or may not be more for him to discover).
http://irestorationtr7.blogspot.co.uk/
This may have been linked to already, but I haven't spotted it.