tt range pack

I have looked at these backpacks below and i need your help deciding what to buy. TT Range Pack (115L) http://intranet.tatonka.com/infosys/infocgi/artintt9.dll?7601 Arcteryx Bora (95L) http://www.arcteryx.com/Product.aspx?Mens/Packs/Bora-95 Norrøna Para Ranger pack (120) Only Norwegian...