HD - You bring up an interesting point that's worthy of its own thread, though there's probably been one already! Here in Canadialand, we have EXCDS which has been sold to NATS as EFPS, but on my sector it's only used for departures. Overflights and VFRs have paper strips. For IFR arrivals, we're utterly stripless. The other terminal sector in the centre, at whom we can hurl insults thanks to both terminals being at one end of the ops room, uses paper strips for everything.
The BIG advantage I can see for paper strips is that, to paraphrase David Gunson, when the cleaning lady steps on the 3-pin plug you don't lose your strips. And if it CAN happen....