Hey, i read the following information at heise.de: ( heise.de is a serios website for me ! )
"Owners of HALion HALion 3 and Sonic have the opportunity to HALion 4 for about 100 € purchase.
Besitzer von HALion 3 und HALion Sonic haben die Möglichkeit, HALion 4 für rund 100 Euro zu erwerben."
very, very GREAT !! 
please check this link: