Have you tryed in the "backpacking gear" forum yet? There are some really good explanations on how to choose the right pack for you, and also suggestions of the different packs that some of the members bought. I think that information is super useful!
Been to: Argentina, Chile, Syria, Lebanon, Israel, Palestine, Jordan, Egypt. Greece, Turkey, England, France, Italy, Germany, Austria, Belgium, USA, Mexico, Spain, Monaco, Czech Republic, Ireland and Uruguay.
Next trip: Still pondering the possibilities for January 2009... * OH THE MYSTERY!! *
The travel bug is insatiable