We had rumors of this a few days back, and now we not only have confirmations of its existence, but a pic as well!
We had information about this a few days back here on Faeit 212 that says the rules for the model come with it.
This comes to us through our friends at La Voz De Horus by a reader of theirs Zamerion.
First Eisenhorn new mini pic, and confirmation about launch on February 24th:
To learn more about Gregor Eisenhorn, head to the 40k wiki