In my backpack I carry:
-inspiron 640m (ubuntu, atheros wifi) + charger
-various CDs (ubuntu, bt3, dsl, gparted, dvl, chaos, memtest, vista and xp disks)
-16GB and 4GB cruzer micro
-sansa clip + headphones + usb cable
-set of screwdrivers and mini pliers
-mini surge protector
-inverter
-multimeter
-mini alligator jumper cables
-usb gps
-usb extension cable
-s-video cable
-ethernet cable
-usb to serial adapter
-sata/ide to usb adapter
-power adapter for sata/ide HDDs
-usb multi card reader
-flashlight + extra batteries
-pencil, pen, notebook
-swiss army knife
