Reservoirs are great for keeping your shocks from fading if you are going to be driving lots of washboard roads fast and for long periods of time. If you are the type to take your time, make frequent stops to explore, etc then they are far from needed. I ran the Fox 2.0 shocks and they handled washboard roads and big bumps great at speed, but at the cost of being stiff on the road and feeling a lot of road imperfections at regular speed and daily driving. I'm running the Rancho 5000s right now. They handle daily driving better than the Fox shocks (I prefer a softer ride) but are not as good as the Fox's when soaking up bumps at speed or rebounding on washboard roads. I'm considering the Rancho 9000s right now because I can have the ability to dial them in for what I need, and the 9000s are available with or without reservoirs as well. I'm going to try one of those options out with my JKS springs, and if it's still not soft enough, then I'm swapping to 3" plush rides as well. Good luck on your search Pete!