Quote:
Originally Posted by
JetBlast 
I have the following in mine-
-laptop
-FAA aero charts, NOTAMS, approach patterns, airspace enroute, etc
-spare calculator
-ATC headset
-a book or two
-"magazines"
-usually throw some candy in there too
I have a full-size case but I actually never use it, I find that my smaller one does the job just fine.
+1.
For me at least my Headset takes up most of the room, its about 25% of the size of my case.
I also keep my laptop with me for when I'm hanging around in dull pilots lounges.