As per your recommendations, I was already planning on watching Aldnoah Zero primarily due to Gen Urobuchi as I like real-robot anime. Gun x Sword looks interesting, but I will probably pass on it. I have seen Noir in its entirety and while it was good, I enjoyed Canaan from Type-Moon more. Everything else you recommended I will probably pass on as well as they do not appeal to me.
As for recommendations, that is something I can not do since I do not know your tastes. However, I will provide a list of anime I have currently watched and/or enjoyed.
I). Gun Grave - I don't know how they did it, but the writers managed to mix the writing of the Godfather and dovetail it with heavy science-fiction and make it work.
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II). Cyber Odeo 808 - Basically, an anime version of the Suicide Squad that was rather enjoyable.
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III). Dallos - While I am not a fan of Mamoru Oshii's works, this one was enjoyable for the most part. Not something I would watch again or own, but enjoyable nonetheless. As a side note, this was the very first direct-to-video anime or OVA ever released.
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IV). Ghost in the Shell Stand Alone Complex: The Laughing Man and Individual Eleven
I rather enjoyed these TV-Esque movies or OVA's and they sparked my interest in the Ghost in the Shell franchise. I like Individual Eleven more, but both movies are solid in their own right.
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The year is 2030 and a war continues to rage on between refugees and the increasing hostile national population. Tensions bubble to the surface as terrorist ...
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V). Dororo 2019 - Based off the incomplete Dororo manga from "The God of Manga" Osamu Tezuka, this is a darker rendition of his work. The animation quality in the fight scenes is fantastic. The story is a much darker and realistic take on the original manga, has plenty of character development, and cuts out the fat by reducing the number of demons.
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