Used but a well made manifold, made from thick mild steel with T25 turbo flange.
(http://img.photobucket.com/albums/v609/philj/DSC01487.jpg)
£170 delivered
Also have a k04 turbo manifold, new but been sat in the shed for a while, will grab some pics. £180 delivered.
Dude how much work is involved in converting to turbo
Have a look in the turbo section, it is pretty straight forward...