There are lots of snapshot announcements on the mid-term horizon, LOTTO, DNS, MUSIC, VOTE, there are just not officially any dates announced. Likely there is even more being done by people in the looming dark now that they see the BitShares platform for what it is.
Aside from all that, prices never lie, so just keep a lookout on the PTS price. Whenever it rushes upwards you can tell excitement for a new product release is building. Something is definitely coming.