In the information, see the PDF, is written that the price should be significant below the prices of self-scratch kits with wooden laser-cut sleepers and brass-'Kleineisen'. A possible range you can find here:
http://groups.yahoo.com/group/h0t/message/1525
But note that the rail profile itself is not included. You can use Micro Engineering Code 70 or Tillig Code 83 - profiles.
If there are turnout in preperation, I don't know.
Dirk