According to a message on Amiblo, Tomytec is planning to release the IDx Freeflow and IDx Nismo in June 2014.
The 1/64 prototype by Tomytec on display during the Tokyo Motor Show 2013, along the 1/43 version by Ebbro and the 1/10 RC version by ABC Hobby, was (at the time) not scheduled for commercialization. The number of preorders of the 1/43 Ebbro may have convinced the Tomica Limited Vintage maker to give contemporary cars a try.
We do not yet know if the cars will be released individually or in a two car set. Nor do we know if it will be a Nissan dealer exclusive or a one-shot not related to the Tomica Limited Vintage line. Or perhaps the first model of a new line? The last possibility would have a huge impact on the high-end 1/64 scale market and would give Kyosho/Circle K some serious competition.
Here are some pictures taken at the Tokyo Motor Show 2013.