Looking for recommendations from anime veterans.

I hope few tips from my 351 seen anime list would help at least a bit.

11eyes, Aku no hana. Coyote ragtime show, Space dandy, Accel world, Black Lagoon,     Bokusatsu Tenshi Dokuro-chan, Chobits, Canaan,     Chikyuu Shoujo Arjuna, Ansatu kyoushitsu, Corpse party,     Dantalian no Shoka,Gosick, Trinity blood, Rosario to vampire, Deadman Wonderland, Durarara!, Baccano!, El Cazador de la Bruja, Escha & Logy no Atelier, Fractale, Girls und Panzer, Nodame cantabile, HIGURASHI no naku koro ni, Umineko no naku koro ni, Kill la kill, Koutetsujou no Kabaneri, Simoun,

i'll recomend you some that i liked that i haven't seen in your list :
-xxxholic*
-kuroshitsuji*
-zankyou no terror
-kyoukai no kanata
-katekyo hitman reborn
-zetsuen no tempest
-deadman wonderland
-kobato*
-tsubasa chronicle + OVAs*
-nobunagun
- Blood-C
-magin tantei nougami neuro*
-gekkan shoujo nozaki-kun
-shigatsu wa kimi no uso
-samurai champloo
-nichijou
-night head genesis
-bounen no xamdou
-ghost hound
-monster
-boku dake ga inai machi
-boku no hero academia*
-gantz
-harmonie
-harmony
that's all,i hope you like them. if you want to know more just ask or send a message, but i think you should start reading manga there are more than anime and really good.
animes are adapted from manga and in the end nearly allways is better the manga(the ones with an " * " in the end for sure).

Yona of the Dawn
Coppelion [pictured]
Seven Deadly Sins
Ajin: Demi-Human
Tsuritama
Gatchaman Crowds
Seraph of the End
Jing: King of Bandits
GetBackers
Samurai Champloo
His and Her Circumstances
Berserk
Detective Academy Q
Nana

I hope you find something you enjoy! ~