In 2002 Pam & I did a cycle tour from london to frankfurt, using panniers and a tent.
2004 we rode the Loire with panniers, but staying in hotels
This time, we're going somwhere north of Switzerland riding our new road bikes, and using just a backpack each.
We're basically taking 2 days clothing, and 2 days riding clothes, tools and food, and riding out
Should be interesting to see how a Camelback HAWG and a Camelback Asymetrix30 go as bicycle touring bags.