I can think of lots of uses for this beyond word processing. Automatically setting up NetBSD comes to mind...

http://www.ebay.com/itm/APPLE-IIGS-PORTABLE-WORD-PROCESSOR-ADB-200-HRS-BATTERY-LARGE-MEMORY-25-00-/320767545730?pt=LH_DefaultDomain_0&hash=item4aaf3c5182#ht_3426wt_1099