A data storage and reproduction system is provided using a computer network that comprises a server, at least one attachment unit that is coupled to the server and first and second reproduction devices. The server storing data to be reproduced. At least one attachment unit comprising means for interfacing with a portable memory device having a reference to the reproduction data. The first reproduction device capable of performing a first data reproduction of the reproduction data and the second reproduction device capable of performing a second data reproduction of the reproduction data, the second data reproduction being different than the first data reproduction. A rule processing means for processing a rule set to determine whether the reproduction data satisfies selection criteria of the rule set, wherein the at least one attachment unit requests the reproduction data from the server for use by the reproduction device, if the reproduction data satisfies the selection criteria.