Sulphur, from Terragnosis, is releasing on Monday, but you can go ahead and get your orders in now over on their website.
From the announcement:
If you want to beat the rush, pre-order your Sulphur miniatures now. Check out the Terragnosis web-shop for details of our new range of 32mm post-apocalyptic vehicles and figures.
While you are there you can also download a FREE pdf of the Sulphur rules.