electroplankton
Banned
It's not only Sonys decision to decide when to unveil titles, if for some reason publishers aren't comfortable with announcing their titles so far in advance they will have to respect that.
Iwata also new about Tri G and it would have been easy to unveil the project when 3DS sales went down, but they had to wait for the moment where the announcement would have the biggest impact.
Monster Hunter 3G was announced in Famitsu, though.
Perhaps they waited until the Circle Pad Pro was ready, since it was unveiled in the same issue.