I use a "Swiss Army" backpack. It has multiple compartments, padded and vented back piece and straps. It holds enough for 2-3 days and is very comfortable. I have used backpacks for years and find them more user-friendly than tank/tail bags.
I have used backpacks in the past also. Although, when its hot out, it makes your back pretty sweaty.
Not this one. Well ventilated!!
The swiss army backpack has vents? Or are you referring to your jacket?
I don't know call me wierd, but I just don't like things in my pants pocket, hanging on my back, or really in my jacket, though I will stick my wallet in the inside pocket of my jacket sometimes. I do like the cortect set up with the three bags that's pretty awesome. I ended up ordering a firstgear expandable tankbag. I'm just concerned with the plastic front body work that the magnets aren't going to work.
Hey Black Widow, what did you do with rubber mat on the bottom of the Ogio tail bag? I have the same bag and would like to mount it like you did 'cause I scratched the hell out of the tail section.