I'm waiting for Oreimo S2, Devil Survivor 2 The Animation, and Haiyore! Nyaruko-san W to finish being released. Shingeki no Kyojin, Hyakka Ryouran Samurai Bride, and Mushibugyo are different... haven't finished coming out yet either.
Oh yeah, is there going to be another Hellsing Ultimate OVA? I guess I could just look it up, but it seemed like the last one to me.
Edit: I'm also interested in people's opinions on their favourite OVA's/movies of this year, not limited to just series.