Give your own opinions before asking them of others.
Love Hina came out in april 2000, and ended in september of that year.
The manga came out in 1998 and ran 14 volumes until 2001.
The anime also had 2 movies and 1 OVA (Christmas and Spring Specials, and the Love Hina Again OVA)
I'm going to go out on a limb here and say that a lot of people have seen/Read it. Love Hina was also the anime that got me into Romantic Comedies and away from just watching Sci-Fi themed anime.
I don't really have a favorite episode, but I do have a favorite event in the manga:
click to show spoiler
When Keitaro and Naru get married