Lost files are a thing of the past. The time consumed in transferring files from place to place has evaporated. Judges and counsel need not carry bulky files to their homes or pack extra suitcases while traveling. When used in conjunction with case management, ECF speeds workflow and provides real time docket entries. The expenses of couriers, postage, and runners have diminished.
Service of process is simpler and cheaper.
Last but certainly not least, in the end, we will vastly reduce the number of sacrificial trees required to indulge our litigious society. First, that the federal system works and that they may not need to reinvent the wheel. Second, that it may be very desirable to have state systems which more or less follow the federal methodology so that users of the state system and the federal system are not confused as they move back and forth between the two. Third . . A caution for states undertaking e-filing.