Just a heads up there are lots of resources on line if you look around. Like:
8 Must Read Food Storage Resources
http://www.thesurvivalistblog.net/8-must-read-food-storage-resources/
Regarding the food storage calculator. Its a good source. IMO people greatly underestimate how much food they’ll need. Many times they buy the freeze dried food thinking it will provide more than it will. Many of the entree’s only allow for 200-300 calories per serving.
I just found this rocket stove competitor at Territorial Seed Company...
http://www.territorialseed.com/category/Biomass-Products/?r=NWEAUG2_7
There is also a coffee pot that fits the unit and a large pot, both available for sale as well.