Sorry to have to post this to all those who were hoping of seeing a 159 GTA sometime soon, but it looks like the test car seen in pictures and videos for the past (year?) have nothing to do with a GTA.
The car infact belongs to Autodelta (which is no bad thing). In the article, it mentions how Autodelta tested the car round the Nurburgring, among other places. It has been in development for 18 months:
(currently the post second from bottom)
::ITALIASPEED::
the article will disappear into the 'new models' archive on the site in a day or so if anybody wants to look then.