1. A system for facilitating the selection of purchasable items by a customer for use in an environs defined by the customer, the system comprising: a processing element capable of proposing a plurality of purchasable items to the customer for selection by the customer, said processing element also is capable of receiving data representing the environs and data representing at least one purchasable item selected by the customer, and wherein said processing element is further capable of generating and displaying a three-dimensional graphical representation of the environs and the at least one purchasable item selected by the customer so that the customer can visualize the at least one selected purchasable item in the environs, wherein said processing element is further capable of proposing a first set of purchasable items to the customer for selection by the customer, said processing element being capable of receiving data representing at least one purchasable item selected by the customer from the first set of purchasable items, said processing element being further capable of receiving data representing at least one customer preference, said processing element being further capable of proposing a second set of purchasable items to the customer for selection by the customer, and wherein said processing element generates the second set of purchasable items based at least in part upon the at least one purchasable item selected by the customer from the first set of purchasable items and the at least one customer preference.