In reply to sutty:
VDiff - Heaven Crack. Lovely flowing climbing. One of the best on grit.
Severe - not as much quality as at the other grades IMHO, but Bishop's Route and Balcony Buttress are both superb
HS - so many to choose from with really strong lines, and Im only thinking of the popualr end. I'll plump for RHRHBD.
VS - High Neb Buttress. Bit of a personal choice as I somehow managed to have a massive wobbler on this, messing up the gear, after wanting to do it for ages (its actually very well protected with cams).
HVS - Stanage is brilliant at HVS, its the best grade there. But my favorite lesser-sung gem is Good Friday, which only gets 2* but I think is superb. So so much better than Ellis' Eliminate!
E1 - Again there are loads, but the cluster around Mississippi Buttress is a particularly good day's outing and I'm going to go for The Link. Better than FBD in my opinion - more sustained climbing.
E2 - I think of the ones Ive done I would go for Wuthering. I think Quietus might eclipse it if I ever get on it though.