Try
Onegai Sensei - 14 episodes Alien/Romance really good anime i totally reccomend it if you like romance 10/10 Story 9/10 Graphics 9/10 Voice Overs
Ragnarok The Animation - I just love the animation idc what anyone says its got a good sotry constant battles going on and if you actually pay attention to the words it has a hidden meaning. 26 Episodes 8.5/10 Story 8/10 Graphics 9/10 Voice Overs.
Maburaho - Drama, Ecchi, Harem, Love-Romance, Magic. Anime 24 episodes really interesting story good and funny its another anime i love but i love romance animes :P just makes me feel happier lol. Graphics 8.5/10 Story 7/10 Voice Overs 7/10
Elfen Lied - Drama, Horor, Scifi. A good gorey anime with alot of fighting with funny and romantic parts totally awsome anime if u love people getting torn to pieces. I reccomend the manga also. 13 Episodes 8/10 Story 9/10 Graphics 8/10 Voice Overs
Claymore - Action, Adventure, Scifi. Its about warrior girls known as claymores killing monsters (ryoka) and keeping the world at peace. Totally fucking awsome fights, powers, and story. 26 Episodes 9/10 Story 9/10 Graphics 9/10 Voice Overs
I could add about another 100 or so animes onto this list but just try some of these and if you want more action or romance or mech animes telll me