The previous Super Sentai shows Shout! Factory released are: Kyouryuu Sentai Zyuranger, Gosei Sentai Dairanger, Ninja Sentai Kakuranger, Chouriki Sentai Ohranger, and Gekisou Sentai Carranger. Their 6th DVD release, Denji Sentai Megaranger is set for an October 31st release.
The price and release date of Seijuu Sentai Gingaman: The Complete Series is yet to be announced.
[Source: Shout! Factory via Tokusatsu Network]