Dallas mavericks offseason?

sources say the mavericks are going after shawn marion if they get him which will involve trading away stackhouse will this be a good deal. I think it will so we have signed Kidd Gortat and Marion the starting lineup will look something like this Kidd Howard Marion Dirk Gortat with terry and damp b JJ Hollins on the second unit this team could make a run at the western conference finals. what do you think