In reply to ianstevens:
It's still REQUIREMENT... even with the crag pack...
Being a gear wh0re, I have numerous ones and pick the one I need.
Numerous smaller climbing sacks (most often Blue Ice Warhthog 26) if the approach is long (so not really a crag sack per se).
Blue Ice Octopus (similar to the Grivel Rocker/Decathlon one, but a tad flimsier fabric), bolt clipping or air travel (works as a carry on luggage). Also for headpointing (limited space, but enough for a small rack).
Camp something rope bag, fits a 50m static rope and limited rack... nice if going out on a solo mission to practice a route (or clean new ones).
BD Pipe Dream, got more use when the kids still needed their nappies changed. Now get's more use as my mixed craggin' sack... the mini pad makes a really nice insulated matters to sat on.
Grivel mid sized haul bag... the work horse, fits a big rack, rope and harnesses/shoes for 2-3 persons... wife carries then the water and grub (and toys for the kids). Also, can be rigged as a kid proof swing (hang high enough, place kid inside and swing it... no way the kid can get out and thus one less kid to look after..)
And as said, a few Ikea bags are a charm... I have at least one for the rope and another for gear (rack)... makes packing stuff easy as well as moving from sector to sector...