I seen nothing mentioned about region previews. There's been no drought of information, just people as usual being overly optimistic and forgetting that when SE says "soon" or "around the corner" or "weekly updates" or "shortly after" should be ignored or they're setting themselves up for disappointment.

Remember those weekly updates starting after gamescom? Yeah me neither. Benchmark has 2 phases so to speak:

1. "Soon." Which can be between announcement last month - open beta.
2. "One with character creator before ARR launches" which would be around July or so.

Otherwise, there's not much they can say or give updates on since as usual, SE loves keeping information on the downlow. We didn't get Seeker's information after almost 7 months, almost a year since it's announcement last june..and it was barely any information..something they could have put out a day after vanafest or hell DURING it. Don't expect much and leave yourself open to being pleasantly surprised. For example the game has to be a lot further in development given the fact they stated there's branch development going on, so there's clearly quite a bit they can be showing, but they won't..mostly out of being cautious.