This has also raised the level curve of the game, meaning you can expect to beat the first round of the Elite Four somewhere in the 70s level-wise. The exception to this at present is the Dome trainers, as they aren’t really necessary and there’s no proper trainer editing tool available for B2W2 yet.
Most areas now contain at least 8 Pokémon species, and in most cases, more! You’ll be able to attain a complete PokéDex within the limits of the game itself, and the majority of Pokémon are available no later than the seventh badge, meaning you can form basically any team you want! There are a couple of legendaries that you can’t get until after the Elite Four, but aside from that…