Best bag would depend on if it is a camping trip,hunting,fishing,tour or a evening out dancing,dining etc. Bring the proper clothing for the current weather conditions and what you have in mind to do while in the area.
Dress the part intended on your activities. Bro-gans shoes....Dress the part for what you intend on doing while in the area.If its hiking wear boots,and poison ivy-oak block.If its dancing or fancy dining wear a tux,nice clothing,if visiting in laws wear a thick snin. Snake bite kits,poison oak or ivy lotions,sun blocks. A cell phone if you plan on doing any hiking or plan on being in a remote area. Pay phones are scarce and far between the farther you go out in the country for hiking,fishing etc.
Hospitals and medical care units are not close at hand if the need should arrive for help. It can be slow getting to you in a isolated area.Be prepared!. Bring spare batteries,it would be difficult to recharge a camera,use a inverter if in a vehicle that plugs in to a car lighter out let. Watch for Big Foot!! Bears,snakes,mountain lions,spiders,pole cats,panters,snunks and the Amish mounted Polce.
The point is come prepared if you are going to camp out. Bring a cell phone,regular pay phones are far and few between. Dress proper for the adventure. Water,food,flash lights,soap,toilet paper,a shovel,camera,shot gun.