Here's some of the new images people may or may not of seen so far.
I like how Goldenrod now has the GTS.
And that Olivine now has a copy of the Battle Frontier from Platinum
Goldenrod Department Store, Radio Tower, and Burnt Tower.
Pokémon Centre, with Communications Balcony.
Ecruteak City, Your House(?), Cherrygrove City
Totodile used Water Gun!
Pokémon Party Screen
Route 29, Union Cave, Route 21
PokéMart
Pokémon Global Trade Terminal
Geonet
Battle Hall, almost identical to Sinnoh's
Wi-Fi Plaza