According to a post made by FUNimation yesterday (pictured below) the show Ben-to finally has a set release date! The DVD will be available on February 3rd, 2015. The complete series will go for $64.98 and the complete series limited edition will be $69.98, and yes, they are available for pre-order.
As it started out, Ben-to, was a light novel that originally came out in 2008 and then proceeded to have a manga (starting in 2012) and anime adaptation (aired in 2011)(1).
Here is a brief plot synopsis to get you jazzed about the story:
While innocently reaching for some half-priced bento, Yō Satō finds himself beaten up on the floor of a supermarket. He soon learns that getting half-priced bento is an all-out brawl between customers. Yō is invited to the Half-Priced Food Lovers Club by one of the top fighters, Sen Yarizui, in order to train to compete in these battles. From Wiki
So go forth and pre-order yourself a copy today!