Our Blank-Menzel project uses a product called Structural Insulated Panels (or SIPs) for the exterior walls and roofs. Essentially, the conventional exterior framing of the structure is replaced by these panels. The value that these panels gave us was a super insulation, less labor and less waste. At this time it can be a bit more expensive than conventional framing and few builders are familiar with the process of construction with them. I found this company called Winter Panel that manufactures three SIPs panels that you may want to consider for your next project.
The company offers SIPs in three panel types: StructureWall, CurtainWall, and PineClad. StructureWall panels, which replace studs and rafters, are twice as strong as a 2x4 wall, according to the firm. CurtainWall panels, ideal for timber-frame or metal-frame buildings, include an interior skin of gypsum for finishing. PineClad panels offer the benefits of StructureWall but with an interior finish of tongue-and-groove pine. Foam cores are available in expanded polystyrene or polyisocyanurate. 802.254.3435. http://www.winterpanel.com/