S.T.A.L.K.E.R. - More Games from GSC

Blue's has news GSC Gameworld will unveil "several" followup games to S.T.A.L.K.E.R. at next month's mini E3, although there are no other details at present.  Shack interprets this to mean new games in the S.T.A.L.K.E.R. universe, apparently based on this quote from GSC Game World's Sergiy Grygorovych:

"We are very happy of the players' positive reaction to S.T.A.L.K.E.R. all over the world. This fills us with confidence the team is on the right track and adds us strength to go for next exciting accomplishments. It will be very soon that we present our new interesting ideas and solutions."