Here is my ongoing list: (only included the ones I have actually watched now, not just sitting in my folder)
11eyes - 4/5 Genre: Fantasy/Game-based on visual novel
Bakemonogatari- 3.5/5 Genre: Supernatural (ghost stories)
Katekyo Hitman Reborn- 4/5 Genre: Action/Comedy/MAFIA
Pandora Hearts (well it finished but I am still watching it) 4/5 Genre: Gothic/fantasy/mystery
Umineko no Naku Koro ni- 4/5 Genre: Horror/Mystery/Fantasy/Psychological thriller
Lol, is lazy.