In reply to poeter210:
Thanks. Someone has emailed me with this confirmation as well. The higher line is probably closer to 5b which explains why I thought the 5c grade for this pitch was a bit over the top, however I can see that the lower line is probably more elegant, involves less of Lyme Cryme and is probably the original line.
I am a bit puzzled by the 5c for the traverse on the last pitch as well though since that certainly didn't feel anything like as hard as the '5c' crux of Darius which we finished up.
Overall I'd go for Delicatessen E2 5b, 5b, 5b going my higher way and splitting at the Lyme Cryme belay. May well be worth 5c though for what I suspect is the proper way on the middle pitch.
Alan