I've read perusals electronically, but I wouldn't personally be interested in them beyond that. I do know that some of the publishers have e-script options. However, one option we do love is electronic delivery of the script. The license grants us the right to print X number of copies. Those are great, because we only have to wait a couple of hours to get the script rather than days or, as was the case on year when the midwest was hammered by blizzard after blizzard, weeks.