Hey Mate,
My Wife and I just did two weeks on the road and we packed it all in one Ventura Gear Rack bag.
One huge benefit was the use of SPACE BAGS to GO.
http://www.spacebgtogo.comWe purchased these from TARGET, but I guess you could get them most places. These are really neat, they work like the Vacume Storage except instead of needing a vac to suck out the excess air, you just roll them flat and a non return valves ensures all the air gets out and stays out. your clothes will pack really flat. PLUS they are water proof to keep them dry.
Cheers