3) GSI Outdoors 30oz JavaDrip
This is a great way to get quick coffee for two, in a relatively compact package. The JavaDrip includes a silicone drip cone that locks to the 30oz double-wall insulated & nylon wrapped cup. Check it out online.
2) Percolater (campers choice on brand)
For multi-cup goodness for the entire crew, the good old fashioned percolater is the way to go. Easy to use over a campfire, and the ability to brew enough coffee for the entire day. Read about the Stansport Percolater.
Whether you enjoy a good french-press coffee or not, this is the grand daddy of camp-friendly coffee. Combined with a Jet-Boil, you can have a piping cup of that glorious liquid ready in just minutes. If you use suitable fresh-ground beans, you'll be rewarded with an amazing french-press style caffeine wonder in just a few minutes. Check out the Aerobie AeroPress.