I have toyed with Dry Canning in the oven before, and certainly use my Food Saver attachment to dry can in jars...one by one. However, I recently saw this option and thought it was interesting. For those who Dry Can in large quantities, you may want to look into this. Watch the Video! (I am in no way associated with this company/group).
Vacucanner.com. The pricing begins at $300.00, so again this option is for those who really use Dry Canning a great deal.