Well, here I am packed for a two up three week trip.
From the front:
Ready to go, sans the tank bag:
Left pannier, his clothes. Right pannier, her clothes. Left Wolfman bag, tent and ground cover, rain fly. Right Wolfman bag, sleeping bags, mats, fuzzy pullovers, soft hats for cool nights. Top case has the kitchen stuff. Tank bag has odds n ends, P&S camera, sunglasses etc, etc.
The GSA is great for two up expeditons.