RandomC's preview is up:

http://randomc.net/2012/12/26/winter-2013-preview/



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Chihayafuru 2 and Haganai NEXT being the most prominent to me at first glance.

A new Minami-ke that is allegedly promising...but I've been fooled before.

Maoyuu Maou Yuusha also looked good, sort of the demon version of Spice and Wolf. I'm a sucker for business anime.