I have watched yuri/shoujo-ai anime and yaoi/shonen-ai.
Yuri anime I watched:
1//Kannazuki no Miko (Chikane &
Himeko) [shoujo-ai/yuri]
2/Yami to Boushi to Hon no Tabibito (Hazuki &
Hatsumi) [yuri]
3/Strawberry Panic (Nagisa & Shizuma, Aname
& Hikari...) [yuri]
4/SIMOUN (Aeru & Neviril) [yuri]
5/Mai-HiME, Mai-Otome (Natsuki &
Shizuru) [shoujo-ai/yuri]
6/Maria-sama ga Miteru/Haru/OVA/4rd season (Yumi
& Sazhiko, Rei & Yoshino, Noriko
& Shimako, Sei & Shiori...) [shoujo-ai/yuri]
7/El Cazador de la Bruja (Nadie x Ellis)
[shoujo-ai]
8/Battle Athletes Victory (Akari x Kris)
[shoujo-ai/yuri]
9/Candy Boy (Kanade x Yukino) [yuri]
10/MADLAX [shoujo-ai]
11/Shoujo Sect [hard yuri, seem hentai]
12/Negima series (KonoSetsu) [mainly ecchi
but have shoujo-ai couples, especially Setsuna x Konoka]
13/Bakuretsu Tenshi/ ~Infinity~ (Jo x Meg)
[sj-a, ecchi]
14/BLUE DROP: Tenshi-tachi no Gikyoku (Mari x
Hagino) [shoujo-ai]
15/ICE OVA (Yuki x Hitomi Landsknecht)
[yuri]
16/Murder Princess (Alita x Mirano)
[shoujo-ai]
17/Aoi Hana (Fumi x Akira)
[shoujo-ai/yuri]
18/Utena Movie (Anthy x Utena) [yuri]
19/Ga-rei Zero (Yomi x Kagura)
[shoujo-ai]
20/K-ON (Ritsu x Mio, Yui x Azusa, Ui x
Yui [shoujo-ai, subtext]
21Kanamemo [shoujo-ai]
22/NOIR [shoujo-ai, subtext]
23/Higurashi no Naku Koro ni [shoujo-ai. subtext]
24/Umi Monogatari [shoujo-ai]
25/Hidamari Sketch series [shoujo-ai]
26/Minami-ke series [shoujo-ai, subtext]
27/Mahou Shoujo Lyrical Nanoha series (Nanoha x
Fate, Subaru x Teana, Suzuka x Alisa) [shoujo-ai]
Yaoi anime I watched: Loveless (Soubi &
Ritsuka) [this anime is also have shoujo-ai couple aswell: Kouya &
Yamato]
I think yuri/shoujo-ai anime is cooler than yaoi/shonen-ai anime.
And you?