Generation 5 is probably the most anticipated generation since Johto some years ago for me. I've really started to enjoy the games once again and the nostalgia aI experienced from Heart Gold and Soul Silver hightened my anticipation for further releases.
Although I thought Sinnoh would be the final region and Arceus -being the God pokemon and all- I'm happy that there will be some new additions to the 493 we have at the moment. I think that we will not have a great deal more in the way of new pokemon considering it's a bit much to be desired for to hit up near 600 species of pokemon. I'm really looking forward to this new region and the names of the new games makes me think that pokemon are finally going down the dark path with the RPG like they've done with Gale of Darkness and some other spin off games.
Looking at the scans and translations it seems that Black & White will be a little more industrious, less open plains and decorative routes and more cities, buildings and lights.
Even when you look at the two new pokemon we've already seen you cant help but feel that maybe pokemon are going down the more mature path and creating more darkly picked characters and scenes. I really hope so as for me, I've been waiting for a darker game, a more in depth storyline and not one that just follows the exact same one as Red & Blue with a little revamp.
I really hope my hunch is right however and I'll be watching the scans carefully. However I know we probably wot have an English release until middway through 2011, this will probably be a long wait for us in the western hemisphere.