Pretty chuffed with the shim I made.
http://i.imgur.com/TcKmrW2h.jpg
http://i.imgur.com/jV1YLQHh.jpg
Took a bit of stuffing about, but got there in the end.
Glued the shim in first.
http://i.imgur.com/8mTkm9Bh.jpg
Then glued in the neck.
http://i.imgur.com/NIWZ6Jih.jpg
Now, we wait and hope I haven't overlooked anything. Fingers crossed. Tomorrow...