Ok here is my view, anime - Anime is important because like said before it gives the characters we know and love a voice, it also is a smaller medium and more cost effective. Now before you freak out on me listen, If you buy one DVD for $20 and watch it for two hours thats ten dollars an hour. But if you purchase a manga it takes what 20 min. to read the entire book and they cost $10 a piece, thats at just about $60 an hour. that does not seem cost effective to me. There are goods and bads to anime, its just whether or not you enjoy the story.
Manga - These books are more expensive and they do end way to damn fast, they take up way more shelf room, they generally do come only in black and white. This is not to say that manga is bad, if we did not have manga then we would not have the anime that we all enjoy so much. The manga that we read [I]Always[I]has more story and character development than the anime could ever dream of having, sometime the anime and manga are almost two completely different stories that just use the same characters. The biggest difference ive noticed (this is strictly my own observation) sometimes from translation from page to tv is that the detail in the art work is almost always different and it gets kinda irritating (my own pet peev is inconsistency ,in Oh My Goddess season 2 in the 5th vol when ever there was a screenshot of Belldandy's feet she never had toes 0.0)
well there is probably a lot that i missed anybody feel like filling in?