I looked at the D/P saga so far, and found it to be mostly too 3-year-ish, but since most of the North American/European population is at least a little older than that, in my opinion, if the Episodes don't get any better when the D/P saga goes to the 1st couple Gyms or so in Japan, then the D/P saga, when it premieres next fall in North America, might force the pokemon anime in America into stateside-finale mode and then European-finale mode, then becoming downgraded even more and more as time goes by, eventually confining Pokemon to Japan for a few years before finally ceasing to exist...
As for the BF saga, it's better, but it has some drawbacks as well: Many Americans are still not watching Pokemon even though they may have lost when the reason why they were not watching, which is the VA situation that occured in the early stages of 2006, has been declared a large group of whiners... I don't watch shows w/ controveries like that involved unless I see documented proof that convinces me otherwise... So far, I don't see any official proof but still, the unofficial community knows the outcome, but until official proof comes out from PUSA or another source, I'm not watching, but I'm playing the games...
As for the earlier sagas:
Hoenn: Second-best saga until the legendary skirmish that started on "Gaining Groudon", then started to turn bad...
Johto: Endless fillers made this saga turn a good show into a bad show temporarily, but when Hoenn came out, the show turned good once more...
Orange Islands, Kanto: All-around, the third-best Pokemon saga... And we all know why it's true...