I suspect that most of the creative energy of Goodman Games has been poured into the DCC RPG of late, and this has caused some of the other product lines to lag a little.
Probably this will change a little in June when the beta DCC RPG is released, and GG will have more time for some other stuff for a while. Then there will be another lag as November approaches and playtest feedback translates into RPG rewrite.
Once the DCC RPG line gets underway I assume other lines will get back on track, although I have to wonder if GG's long-term plan includes 4E products any more.
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Marv / FinarvynDCC Minister of Propaganda; Deputized 6/8/11

DCC RPG playtester 2011,
C&C playtester 2003,
T&T since 2003,
ADRP Since 1993,
OD&D player since 1975
"The worthy GM never purposely kills players' PCs, He presents opportunities for the rash and unthinking players to do that all on their own."
-- Gary Gygax
"Don't ask me what you need to hit. Just roll the die and I will let you know!"
-- Dave Arneson