Same with me. I think it needs to be harder, also needs more events.Kanto isn't all that great in my opinion :-(
I do feel it's longer than the others. But it's just not long enough for me and some other pokemon fans. :\I'm only about to first encounter the elite 4, and then I journey through a whole other region. I think the length is perfect, it feels longer than any other game just because of the 2 regions.
Well, technically, no. I'm never satisfied with anyone Pokemon game's length. They always seem a bit too short for my liking, even though I absolutely love the series. For example, my copy of Pokemon Pearl took only five days to defeat the entire Elite Four, and I'm talking five days from the launch date. I would hope that, in Pokemon Black and White, they go the extra mile and add two extra regions into the game (Kanto and Sinnoh, Kanto and Johto, Kanto and Hoenn, ect, ect). Imagine collecting twenty-four badges, and facing that area's Elite Four! Now that is a Pokemon game that would take a decent amount of time to beat.
They need to make a game encompassing dozens of little side quests, a trainer maker option, a "make your own story" mode, a starting region selection, and a "earn the starter of your choice" mechanic into the game. Cram that into a DS game and you have a great seller for sure!
But surely then, people would complain it's very repetitive and Nintendo have not really added anything else into the game other than repeating the same process just in a different reigon and the option of different region'ed pokemon?
Seriously, whilst I feel some game mechanics of the entire series could be improved 70 hours game play in reality is long, not everyone is going to be able to sail through the same, Nintendo have to take into account the whole market - Hardcore Pokefan's will be able to cruise through the game in a matter of days (hence why they try to give a fair amount to do aftergame.) But they also need to factor that not everyone can play for endless hours but still want to complete the game in a reasonable timeframe (a year, a month etc)
It all comes down to the fact that, no matter what Nintendo do to the games, their will always be something to complain about :-P
(edit; Team Rocket really could have had more of a impact on Johto in the remake though! I whole heartedly agree there!)
Black/White seem to be adding some interesting factors to the game (so they say) so lets hope (just don't get to hopeful :P) that they will spice the game up!