There's really no news around as The Good Shepherd finished filming last Monday and Matt has probably left New York. Syriana will be shown in competition at the Berlin Film Festival, to be held from 9-19 February, but it is probably only George Clooney who will attend. Some press is likely around this time when Syriana opens wider internationally.
The latest Gawker sighting (a little old now) is here.
A story about a child musician in The Good Shepherd is here.