Pack your bags!!!!

[comanighttrain]

I'm not sure that heaviest on top is the way to go. This would leave you seriously unbalanced when crossing any terrain other than flat and level ground. Heavier, weighty items should be packed at the bottom of your pack. The weight will be supported by the hip belt anyway.

Martin

This link seems to describe both as acceptable in different situations - http://www.rei.com/expertadvice/arti...+backpack.html