Here's what the overnight bag contains:
1) Internal frame pack, bigger than a day bag but smaller than a weekender (Still looking for a good one, I must have four or five floating around the house, or given to the grandkids / kids)
2) Buck 119 fixed blade knife and two sided diamond hone
3) Buck 140M fixed blade knife
4) Additional liter bottle
5) Engineer's compass
6) First aid kit ( cloth band aids, sunblock, bandages, analgesics, tweezers, small EMT shears, sanitary napkin or two, misc first aid crap)
7) Stainless steel cooking eating set (pot, plate, bowel, cup, fork, spoon salt, pepper, mini bottle of Tabasco sauce etc.)
8) MSR Dragonfly multi fuel stove and fuel bottle (burns the same thing the TJ does, plus just about any other liquid fuel you can get your hands on)
9) MSR water filter
10) Tea bags, hot chocolate, bullion cubes, a couple of MRE's or Mountain House meals
11) Gun cleaning tools and supplies (pull through style)
12) More 550 cord in green or black
13) spool of trip wire
14) Heavy safari style shorts
15) Heavy short sleeved shirt
16) Sock liners and more wool socks
17) Wool "finger" gloves (the ones without the finger ends)
18) Small bible
19) SAS survival guide (compact version)
20) Magnesium fire starter with flint and steel built in
21) Strike anywhere matches in a waterproof container
22) Flashlight
23) Spare rechargeable batteries
24) Goal Zero solar recharger
25) Write in the rain notebook and pen
26) Deck of playing cards
27) Pair of small ten power binoculars
28) Good quality space blanket
29) 12' x 16' sheet of plastic
30) Miniature folding camp stool
31) Couple of bandanas
32) Wool watch cap
33) Balaclava
34) Candle lantern and extra candle
35) Fire starter sticks
36) Wood saw, the one that looks like a chain saw chain.
37) Gorilla tape (works on everything including torn soft tops and cloths)
38) 12" x 12" piece of thin veneer to set stove on
I'm sure there is more small misc stuff in there as well. Some stuff changes with the season as well, but this is pretty much the base of it.