As far as you know the basic GDK work ok yes.
so all you need to down load is
Download Dark Physics for Dark GDK
Download optional Dark GDK Update - 26th November 2008
Download optional Dark GDK Update - 26th May 2009
Then add this line to the linker VC++ directorys
in the includes
C:\Program Files\The Game Creators\Dark GDK\Include
in library file.
C:\Program Files\The Game Creators\Dark GDK\Lib\VS9
cannot say if this right as I have yet to get one of the demos to go as well, been sometime since I did any of this as it was driving nuts, so left it a while.
Dark Physics makes any hot drink go cold.