A method for developing a technical configuration and electronically delivering to a client from a server an order report for the technical configuration. The method comprises interactively eliciting and electronically receiving from a user on the client a desired technical configuration, wherein the act of interactively eliciting and electronically receiving comprises providing to the client from the server a limited configuration engine and performing a first, limited check on the viability of the desired technical configuration on the client using the limited configuration engine; performing a second, final check on the viability of the desired technical configuration using a full configuration engine on the server; and, in response to the final check, preparing and outputting on the client an electronic order report.