Artwork is very catching (nice coloring style)
Your synopsis got me interested. I will also be hoping for a PC port.
Also Kanako Itou doing
the opening is always a plus.
EDIT: Seiyu list is impressive
(by order of appearance on the website)
Miyano Mamoru - Okabe Rintarou
Imai Asami - Makise Kurisu
Hanazawa Kana - Shiina Mayuri
Tamura Yukari - Amane Suzuha
Kobayashi Yuu - Urushibara Ruka (opening romanizes it as "Luka")
Momoi Halko - Feiris NyanNyan (opening romanizes it Faris)
Seki Tomokazu - Hashida Itaru
Gotou Saori - Kiryuu Moeka
Terasoma Masaki - Tennouji Yuugo
(cant find the seiyu name, cause the kanji has no furigana) - Tennouji Nae
EDIT2: *facepalm* no wonder the art looks so familar! It's huke of the BlackRock Shooter fame.