A brand new trailer for Pokémon Omega Ruby and Pokémon Alpha Sapphire has now been released covering the information from this month's CoroCoro. The new trailer can be found below:
The trailer doesn't really give us much in the way of new information. From various interviews going around we do know now that trainer customisation will not be included in these games.
CVG have published a rather insightful article about the games, and an interesting interview, which you can find right here.